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10250. (WO2018226265) IMPLEMENTATION OF BIOMETRIC AUTHENTICATION
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

What is claimed is:

1. A method, comprising:

at an electronic device with one or more input devices, one or more biometric sensors, and a display:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to introduction of a biometric enrollment process for enrolling a biometric feature;

in response to detecting the occurrence of the condition that corresponds to introduction of the biometric enrollment process, displaying a biometric enrollment introduction interface, wherein displaying the biometric enrollment introduction interface includes concurrently displaying:

a representation of a simulation of the biometric feature; and a simulated progress indicator;

while displaying the biometric enrollment introduction interface, displaying an instructional animation that includes displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator;

after displaying at least a portion of the instructional animation, detecting the occurrence of a condition that corresponds to initiation of the biometric enrollment process; and

in response to detecting the occurrence of a condition that corresponds to initiation of the biometric enrollment process:

displaying a progress indicator that corresponds to the simulated progress indicator; and

displaying, at a location that was previously occupied by the representation of the simulation of the biometric feature in the biometric enrollment introduction interface, a representation of the biometric feature of the user as determined by the one or more biometric sensors of the device.

2. The method of claim 1, wherein:

the one or more biometric sensors include a facial recognition sensor;

the representation of the simulation of the biometric feature is a representation of a simulation of at least a portion of a face; and

the representation of the biometric feature of the user is a representation of at least a portion of a face of the user.

3. The method of any of claims 1-2, wherein displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator includes displaying the movement tilting the simulation of the biometric feature relative to a plane of the display of the device.

4. The method of claim 3, wherein displaying movement tilting the simulation of the biometric feature relative to a plane of the display device includes displaying movement rotating the representation of the simulation of the biometric feature about a first axis and rotating the representation of the simulation of the biometric feature about a second axis different than the first axis.

5. The method of any of claims 1-4, displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator includes displaying the representation of the simulation in a first position so as to reveal a first portion of the representation and not a second portion of the representation and subsequently displaying the representation of the simulation in a second position different than the first position so as to reveal the second portion of the representation and not the first portion of the representation.

6. The method of any of claims 1-5, wherein the representation of a simulation of the biometric feature is a three-dimensional representation.

7. The method of any of claims 1-6, wherein displaying the progress indicator in the biometric enrollment interface that corresponds to the simulated progress indicator in the biometric enrollment introduction interface includes maintaining display of the simulated progress indicator.

8. The method of any of claims 1-7, wherein displaying a simulated progress indicator includes displaying a progress indicator surrounding the representation of the simulation of the biometric feature.

9. The method of any of clams 1-8, wherein displaying the simulated progress indicator includes displaying a plurality of progress elements proximate the representation of the simulation of the biometric feature.

10. The method of claim 9, wherein displaying incremental advancement of the simulated progress indicator includes transitioning one or more of the plurality of progress elements from a first state to a second state different than the first state.

11. The method of any of claims 1-10, wherein the representation of the biometric feature of the user is based on image data captured by one or more cameras of the electronic device.

12. The method of claim 11, wherein the representation of the biometric feature changes as the orientation of the biometric feature relative to the one or more biometric sensors changes.

13. The method of any of claims 1-12, wherein:

the biometric enrollment introduction interface includes an orientation guide that is overlaid on the representation of the simulated biometric feature and tilts in different directions as the representation of the simulated biometric feature tilts in different directions; and

the biometric enrollment user interface includes the orientation guide overlaid on the representation of the biometric feature, and the orientation guide tilts as the biometric feature tilts in different directions.

14. The method of any of claims 1-13, wherein the representation of the simulation of the biometric feature is a line drawing with lines at different simulated z-height.

15. The method of any of claims 1-14, wherein the representation of the simulation of the biometric feature is a line drawing that includes at least a portion (e.g., some or all) of a glyph that is used to indicate successful biometric enrollment.

16. The method of any of claims 1-15, further comprising:

in response to detecting the occurrence of the condition that corresponds to initiation of the biometric enrollment process, displaying a positioning element on the display of the electronic device.

17. The method of any of claims 1-16, wherein the condition that corresponds to initiation of the biometric enrollment process includes a selection of an affordance to initiate the biometric enrollment process.

18. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more input devices, one or more biometric sensors, and a display, the one or more programs including instructions for:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to introduction of a biometric enrollment process for enrolling a biometric feature;

in response to detecting the occurrence of the condition that corresponds to introduction of the biometric enrollment process, displaying a biometric enrollment introduction interface, wherein displaying the biometric enrollment introduction interface includes concurrently displaying:

a representation of a simulation of the biometric feature; and

a simulated progress indicator;

while displaying the biometric enrollment introduction interface, displaying an instructional animation that includes displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator;

after displaying at least a portion of the instructional animation, detecting the occurrence of a condition that corresponds to initiation of the biometric enrollment process; and

in response to detecting the occurrence of the condition that corresponds to initiation of the biometric enrollment process:

displaying a progress indicator that corresponds to the simulated progress indicator; and

displaying, at a location that was previously occupied by the representation of the simulation of the biometric feature in the biometric enrollment introduction interface, a representation of the biometric feature of the user as determined by the one or more biometric sensors of the device.

19. An electronic device, comprising:

one or more input devices;

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to introduction of a biometric enrollment process for enrolling a biometric feature;

in response to detecting the occurrence of the condition that corresponds to introduction of the biometric enrollment process, displaying a biometric enrollment introduction interface, wherein displaying the biometric enrollment introduction interface includes concurrently displaying:

a representation of a simulation of the biometric feature; and a simulated progress indicator;

while displaying the biometric enrollment introduction interface, displaying an instructional animation that includes displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator;

after displaying at least a portion of the instructional animation, detecting the occurrence of a condition that corresponds to initiation of the biometric enrollment process; and

in response to detecting the occurrence of the condition that corresponds to initiation of the biometric enrollment process:

displaying a progress indicator that corresponds to the simulated progress indicator; and

displaying, at a location that was previously occupied by the representation of the simulation of the biometric feature in the biometric enrollment introduction interface, a representation of the biometric feature of the user as determined by the one or more biometric sensors of the device.

20. An electronic device, comprising:

one or more input devices;

one or more biometric sensors;

a display;

means for displaying, on the display, a first user interface;

means for while displaying the first user interface, detecting the occurrence of a condition that corresponds to introduction of a biometric enrollment process for enrolling a biometric feature;

means for in response to detecting the occurrence of the condition that corresponds to introduction of the biometric enrollment process, displaying a biometric enrollment introduction interface, wherein displaying the biometric enrollment introduction interface includes concurrently displaying:

a representation of a simulation of the biometric feature; and a simulated progress indicator;

means for while displaying the biometric enrollment introduction interface, displaying an instructional animation that includes displaying movement of the representation of the simulation of the biometric feature and incremental advancement of the simulated progress indicator;

means for after displaying at least a portion of the instructional animation, detecting the occurrence of a condition that corresponds to initiation of the biometric enrollment process; and

means for in response to detecting the occurrence of the condition that corresponds to initiation of the biometric enrollment process:

means for displaying a progress indicator that corresponds to the simulated progress indicator; and

means for displaying, at a location that was previously occupied by the representation of the simulation of the biometric feature in the biometric enrollment introduction interface, a representation of the biometric feature of the user as determined by the one or more biometric sensors of the device.

21. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more input devices, one or more biometric sensors, and a display, the one or more programs including instructions for performing the method of any of claims 1-17.

22. An electronic device, comprising:

one or more input devices;

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 1-17.

23. An electronic device, comprising:

one or more input devices;

one or more biometric sensors;

a display; and

means for performing the method of any of claims 1-17.

24. A method, comprising:

at an electronic device with one or more cameras and a display:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to initiating a biometric enrollment process for enrolling a respective type of biometric feature;

in response to detecting the occurrence of a condition that corresponds to initiating the biometric enrollment process, displaying, on the display, a digital viewfinder including a preview of image data captured by the one or more cameras; and

after initiating the biometric enrollment process:

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras, emphasizing a first portion of the field of view of the one or more cameras relative to a second portion of the field of view of the one or more cameras; and

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has not been detected in the field of view of the one or more cameras, maintaining display of the digital viewfinder without emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

25. The method of claim 24, wherein emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras includes darkening a portion of the digital viewfinder that corresponds to the second portion of the field of view of the one or more cameras.

26. The method of any of claims 24-25, wherein emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras includes ceasing to display a portion of the digital viewfinder that corresponds to the second portion of the field of view of the one or more cameras

27. The method of any of claims 24-26, wherein emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras includes enlarging display of the first portion of the field of view of the one or more cameras on the display emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras includes.

28. The method of any of claims 24-27, further comprising:

in response to detecting the occurrence of a condition that corresponds to initiating the biometric enrollment process, concurrently displaying with the preview of image data, an alignment element that indicates a portion of the preview in which the user's face should be placed in order to proceed with the biometric enrollment.

29. The method of claim 28, wherein emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras includes modifying the alignment element.

30. The method of any of claims 24-29, wherein the second portion of the field of view is a portion of the field of view that encloses the first portion of the field of view.

31. The method of any of claims 24-30, further comprising:

after initiating the biometric enrollment process, detecting that a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras; and

in response to detecting the biometric feature of the respective type that meets alignment criteria in the field of view of the one or more cameras, outputting a tactile output of a first type.

32. The method of any of claims 24-31 , further comprising:

after initiating the biometric enrollment process, detecting that a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras; and

in response to detecting that the biometric feature of the respective type that meets alignment criteria, storing image data corresponding to the biometric feature.

33. The method of claim 24-32, wherein the alignment criteria includes a requirement that the biometric feature is within a predetermined range of distances from the electronic device, the method further comprising:

while the biometric feature is at a first distance from the electronic device that is not within the predetermined range of distances from the electronic device, detecting, by the one or more cameras, a change in distance of the biometric feature from the first distance to a second distance from the electronic device that is not within the predetermined range of distances from the electronic device; and

in response to detecting the change in distance, generating an output having a value of an output characteristic that varies based on a distance of the biometric feature from the predetermined range of distances

34. The method of claim 29, wherein modifying the alignment element includes modifying a shape of the alignment element from a first shape to a second shape.

35. The method of claim 34, wherein the first shape is substantially rectangular and the second shape is substantially circular.

36. The method of any of claims 24-35, further comprising,

after initiating the biometric enrollment process, determining whether a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras.

37. The method of any of claims 24-36, wherein the alignment criteria include a requirement that at least a portion of the biometric feature is within the first portion of the field of view of the one or more cameras.

38. The method of any of claims 24-37, wherein the alignment criteria include a requirement that the biometric feature is within a first threshold distance from the one or more biometric sensors and a requirement that the biometric feature is not within a second threshold distance from the one or more biometric sensors.

39. The method of any of claims 24-38, wherein the alignment criteria include lighting conditions criteria.

40. The method of any of claims 24-39, further comprising:

after emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras, detecting that the biometric feature of the respective type that meets alignment criteria is no longer detected in the field of view of the one or more cameras; and

in response to detecting that the biometric feature of the respective type that meets alignment criteria is no longer detected in the field of view of the one or more cameras, outputting an indication of an alignment error.

41. The method of claim 40, wherein outputting an indication of an alignment error includes outputting a tactile output of a second type.

42. The method of any of claims 40-41 , wherein outputting the indication of the alignment error includes deemphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

43. The method of any of claims 40-42, further comprising:

after outputting the indication of the alignment error:

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras, emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

44. The method of any of claims 40-43, further comprising:

after outputting the indication of the alignment error:

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in the field of view of the one or more cameras, outputting a tactile output of the first type.

45. The method of any of claims 24-44, wherein the alignment criteria include a requirement that a portion of the biometric feature is oriented relative to the electronic device in a predetermined manner.

46. The method of claim 45, wherein the requirement that a portion of the biometric feature is oriented relative to the electronic device in a predetermined manner is a requirement that the biometric feature is positioned within a threshold angle relative to the one or more biometric sensors.

47. The method of claim 40-44, wherein outputting the indication of the alignment error comprises:

in accordance with a determination that the alignment error is an alignment error of a first type, outputting a prompt to move the biometric feature to correct the alignment error of the first type; and

in accordance with a determination that the alignment error is an alignment error of a second type, outputting a prompt to move the biometric feature to correct the alignment error of the second type

48. The method of claim 46, wherein the alignment error is that a portion of the biometric feature is oriented outside of the first portion of the field of view, and outputting a prompt to move the biometric feature to correct the alignment error of the first type includes outputting a prompt to move the portion of the biometric feature into the first portion of the field of view.

49. The method of claim 46, wherein the alignment error is that a distance between a portion of the biometric feature and the one or more biometric sensors is within a threshold distance, and outputting a prompt to move the biometric feature to correct the alignment error of the first type includes outputting a prompt to move the biometric feature away from the electronic device.

50. The method of claim 46, wherein the alignment error is that a distance between a portion of the biometric feature and the one or more biometric sensors exceeds a threshold distance, and outputting a prompt to move the biometric feature to correct the alignment error of the first type includes outputting a prompt to move the biometric feature closer to the electronic device.

51. The method of claim 46, wherein the alignment error is that an angle of the biometric feature relative to the one or more biometric sensors is outside of a predefined range of angles relative to the one or more biometric sensors, and outputting a prompt to move the biometric feature to correct the alignment error of the first type includes outputting a prompt to adjust the angle of the biometric feature relative to the one or more biometric sensors.

52. The method of any of claims 24-51 including, while the biometric feature is within a first portion of a field of view of the one or more biometric sensors and is within a threshold distance of the one or more biometric sensors:

in accordance with a determination that the biometric feature is within a predefined range of angles, displaying an enrollment progress indicator for enrollment of the biometric feature; and

in accordance with a determination that the biometric feature is outside of the predefined range of angles, obscuring at least a portion of the preview of the image data.

53. The method of claim 52, including:

while the portion of the preview of the image data is obscured, detecting a change in the angle of the biometric feature with respect to the one or more biometric sensors; and in response to detecting the change in the angle of the biometric feature with respect to the one or more biometric sensors:

in accordance with a determination that the change in angle moves the biometric feature closer to the predefined range of angles without moving the biometric feature into the predefined range of angles, reducing an amount of the obscuring of the portion of the preview of the image data while continuing to obscure the portion of the preview of the image data; and in accordance with determination that the change in angle moves the biometric feature into the predefined range of angles, ceasing to obscure the portion of the preview of the image data.

54. The method of claim 53, including, in response to detecting the change in the angle of the biometric feature with respect to the one or more biometric sensors:

in accordance with a determination that the change in angle moves the biometric feature further away from the predefined range of angles, increasing an amount of the obscuring of the portion of the preview of the image data.

55. The method of claim 53-54, wherein the obscuring includes blurring the preview of the image data and reducing the amount of the obscuring of the portion of the preview of the image data includes reducing an amount of blurring of the preview of the image data.

56. The method of any of claims 24-55, further comprising:

detecting a change in orientation and/or position of the biometric feature relative to the one or more biometric sensors is changing; and

in response to detecting the change in orientation and/or position of the biometric feature relative to the one or more biometric sensors:

in accordance with a determination that device movement criteria have been met, outputting a prompt to reduce movement of the electronic device.

57. The method of any of claims 40-44, wherein outputting an indication of an alignment error comprises:

in accordance with a determination that the alignment error is an alignment error of a second type, forgoing outputting a prompt to move the biometric feature to correct the alignment error of the first type.

58. The method of any of claims 46-49, further comprising:

in accordance with a determination that the error condition of the first type persists for a threshold time period, displaying an accessibility interface that enables the user to proceed with the biometric enrollment without correcting the error condition.

59. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more cameras and a display, the one or more programs including instructions for:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to initiating a biometric enrollment process for enrolling a respective type of biometric feature;

in response to detecting the occurrence of a condition that corresponds to initiating the biometric enrollment process, displaying, on the display, a digital viewfinder including a preview of image data captured by the one or more cameras; and

after initiating the biometric enrollment process:

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in afield of view of the one or more cameras, emphasizing a first portion of the field of view of the one or more cameras relative to a second portion of the field of view of the one or more cameras; and

in accordance with a determination that the biometric feature of the respective type that meets alignment criteria has not been detected in the field of view of the one or more cameras, maintaining display of the digital viewfinder without emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

60. An electronic device, comprising:

one or more cameras;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

displaying, on the display, a first user interface;

while displaying the first user interface, detecting the occurrence of a condition that corresponds to initiating a biometric enrollment process for enrolling a respective type of biometric feature;

in response to detecting the occurrence of a condition that corresponds to initiating the biometric enrollment process, displaying, on the display, a digital viewfinder including a preview of image data captured by the one or more cameras; and

after initiating the biometric enrollment process:

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in afield of view of the one or more cameras, emphasizing a first portion of the field of view of the one or more cameras relative to a second portion of the field of view of the one or more cameras; and

in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has not been detected in the field of view of the one or more cameras, maintaining display of the digital viewfinder without emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

61. An electronic device, comprising:

one or more cameras;

a display;

means for displaying, on the display, a first user interface;

means for while displaying the first user interface, detecting the occurrence of a condition that corresponds to initiating a biometric enrollment process for enrolling a respective type of biometric feature;

means for in response to detecting the occurrence of a condition that corresponds to initiating the biometric enrollment process, displaying, on the display, a digital viewfinder including a preview of image data captured by the one or more cameras; and

after initiating the biometric enrollment process:

means for in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has been detected in afield of view of the one or more cameras, emphasizing a first portion of the field of view of the one or more cameras relative to a second portion of the field of view of the one or more cameras; and

means for in accordance with a determination that a biometric feature of the respective type that meets alignment criteria has not been detected in the field of view of the one or more cameras, maintaining display of the digital viewfinder without emphasizing the first portion of the field of view of the one or more cameras relative to the second portion of the field of view of the one or more cameras.

62. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more cameras and a display, the one or more programs including instructions for performing the method of any of claims 24-58.

63. An electronic device, comprising:

one or more cameras;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 24-58.

64. An electronic device, comprising:

one or more cameras;

a display;

means for performing the method of any of claims 24-58.

65. A method, comprising:

at an electronic device with one or more biometric sensors and a display:

concurrently displaying, on the display a biometric enrollment interface, wherein displaying the biometric enrollment interface includes concurrently displaying:

a representation of a biometric feature, wherein the representation of the biometric feature has an orientation determined based on an alignment of the biometric feature to one or more biometric sensors of the device; and

a progress indicator including a first progress-indicator portion at a first position on the display relative to the representation of the biometric feature and a second progress-indicator portion at a second position on the display relative to the representation of the biometric feature, wherein the representation of the biometric feature is displayed between the first position and the second position on the display;

while concurrently displaying the representation of the biometric feature and the progress indicator, detecting a change in the orientation of the biometric feature relative to the one or more biometric sensors; and

in response to detecting the change in the orientation of the biometric feature relative to the one or more biometric sensors:

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion, updating one or more visual characteristics of the first progress-indicator portion; and

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a second portion of the biometric feature that corresponds to the second progress-indicator portion, updating one or more visual characteristics of the second progress-indicator portion.

66. The method of claim 65, further comprising:

in response to detecting the change in the orientation of the biometric feature to the one or more biometric sensors, updating the representation of the biometric feature in accordance with the change in the orientation of the biometric feature relative to the one or more biometric sensors.

67. The method of any of claims 65-66, wherein the progress indicator includes a plurality of progress-indicator portions, the plurality of progress-indicator portions including the first progress-indicator portion and the second progress-indicator portion, wherein the plurality of progress-indicator portions surrounds at least a portion of the representation of the biometric feature.

68. The method of any of claims 65-67, wherein the enrollment criteria for the first portion of the biometric feature that corresponds to the first progress-indicator portion includes a requirement that the first portion of the biometric feature is oriented relative to the one or more biometric sensors in a predetermined manner.

69. The method of any of claims 65-68, wherein the enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion include a requirement that the first portion of the biometric feature has not been enrolled.

70. The method of any of claims 65-69, wherein:

the first progress-indicator portion indicates the enrollment status of a first portion of the biometric feature that is detected by the one or more biometric sensors when the biometric feature is turned toward the first progress-indicator portion; and

the second progress-indicator portion indicates the enrollment status of a second portion of the biometric feature, different from the first portion of the biometric feature that is detected by the one or more biometric sensors when the biometric feature is turned toward the first progress-indicator portion.

71. The method of any of claims 65-70, wherein displaying the representation of the biometric feature includes displaying a digital viewfinder including a representation of a field of view of one or more cameras of the electronic device.

72. The method of claim 68, wherein one or more of the progress-indicator portions of the plurality of progress-indicator portions includes a plurality of respective progress elements.

73. The method of any of claims 65-72, wherein the enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion includes a requirement that the first portion of the biometric feature change in orientation relative to the one or more biometric sensors by at least a threshold amount.

74. The method of any of claims 65-73, wherein displaying the biometric enrollment interface further includes displaying a prompt to move the biometric feature.

75. The method of claim 74, wherein displaying the prompt to move the biometric feature includes displaying a prompt indicating a direction of movement.

76. The method of claim 75, wherein displaying a prompt indicating a direction of movement includes overlaying a three-dimensional object on the representation of the biometric feature.

77. The method of any of claims 65-76, in response to detecting the change in the orientation of the biometric feature to the one or more biometric sensors, rotating the prompt in accordance with the change in the orientation of the biometric feature to the one or more biometric sensors.

78. The method of any of claims 65-77, wherein updating one or more visual

characteristics of the first progress-indicator portion includes updating the one or more visual characteristics of the first progress-indicator from a first state to a second state that indicates that the first progress-indicator portion meets the enrollment criteria.

79. The method of claim 78, further comprising:

after updating one or more visual characteristics of the first progress-indicator portion, detecting a change in orientation of the biometric feature relative to the one or more biometric sensors so the biometric feature no longer meets enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion; and in response to detecting the change in orientation of the biometric feature relative to the one or more biometric sensors, updating the one or more visual characteristics of the first progress-indicator portion from the second state to a third state that indicates that the first portion of the biometric feature has been enrolled but no longer meets the enrollment criteria.

80. The method of any of claims 65-79, wherein updating one or more visual

characteristics of the first progress-indicator portion includes updating the one or more visual characteristics of the first progress-indicator portion in a first manner based on an enrollment state of the first portion of the biometric feature and updating the one or more visual characteristics of the first progress-indicator portion in a second manner based on the alignment of the biometric feature to the one or more biometric sensors of the device.

81. The method of any of claims 65-80, wherein updating one or more visual

characteristics of the first progress-indicator portion includes updating the one or more visual characteristics of the first progress-indicator portion based on a rate of change in the orientation of the biometric feature relative to the one or more biometric sensors.

82. The method of any of claims 65-81, wherein the first progress-indicator portion includes a plurality of display elements in a respective order, and updating one or more visual characteristics of the first progress-indicator portion includes:

in accordance with a determination that the change in the orientation of the biometric feature relative to the one or more biometric sensors is a change in a first direction, changing an appearance of the display elements starting from a first end of the respective order; and in accordance with a determination that the change in the orientation of the biometric feature relative to the one or more biometric sensors is a change in a second direction,

changing an appearance of the display elements starting from a second end of the respective order that is different from the first end of the respective order.

83. The method of claim 81 , wherein updating the one or more visual characteristics of the first progress-indicator portion in a second manner includes updating the one or more visual characteristics of the first progress-indicator portion in a second manner based on the direction of change in the orientation of the biometric feature relative to the one or more biometric sensors.

84. The method of any of claims 65-80, further comprising:

in accordance with a determination that enrollment-completion criteria are met, outputting an indication that enrollment of the biometric feature is complete.

85. The method of claim 84, wherein outputting an indication that enrollment of the biometric feature is complete includes updating one or more visual characteristics of the progress indicator.

86. The method of claim 85, wherein:

prior to detecting a change in the orientation of the biometric feature relative to the one or more biometric sensors, the first progress-indicator portion and the second progress-indicator portion are visually discrete, and

updating one or more visual characteristics of the progress indicator includes visually merging the first progress-indicator portion and the second progress-indicator portion.

87. The method of any of claims 84-86, wherein outputting an indication that enrollment of the biometric feature is complete includes modifying the representation of the biometric feature.

88. The method of any of claims 84-87, wherein outputting an indication that enrollment of the biometric feature is complete includes displaying a confirmation affordance, wherein selection of the confirmation affordance causes the electronic device to display a completion interface.

89. The method of any of claims 84-88, wherein outputting an indication that enrollment of the biometric feature is complete includes displaying a simulation of a representation of the biometric feature.

90. The method of any of claims 84-89, wherein outputting an indication that enrollment of the biometric feature is complete includes outputting a tactile output that indicates successful enrollment of the biometric features.

91. The method of any of claims 84-88, further comprising:

after outputting an indication that enrollment of the biometric feature is complete, displaying a second biometric enrollment interface, wherein displaying the second biometric enrollment interface includes concurrently displaying:

a second representation of a biometric feature, wherein the representation of the biometric feature has an orientation determined based on an alignment of the biometric feature to one or more biometric sensors of the device; and

a second progress indicator including a third progress-indicator portion at the first position on the display relative to the representation of the biometric feature and a fourth progress-indicator portion at the second position on the display relative to the representation of the biometric feature, wherein the second representation of the biometric feature is displayed between the third position and the fourth position on the display.

92. The method of any of claims 84-91 , further comprising:

after outputting an indication that enrollment of the biometric feature is complete, outputting an indication that an enrollment procedure is complete.

93. The method of any of claims 91 -92, wherein an enrollment state of the first progress-indicator portion does not correspond to an enrollment state of the third progress-indicator portion.

94. The method of any of claims 91 -93, wherein the first progress-indicator portion of the progress indicator includes a first number of progress elements and the third progress-indicator portion of the second progress indicator includes a second number of progress elements different than the first number.

95. The method of any of claims 91 -94, further comprising:

while concurrently displaying the second representation of the biometric feature and the second progress indicator, detecting a second change in the orientation of the biometric feature relative to the one or more biometric sensors; and

in response to detecting the second change in the orientation of the biometric feature relative to the one or more biometric sensors:

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for the first portion of the biometric feature, updating one or more visual characteristics of the third progress-indicator portion; and

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for the second portion of the biometric feature, updating one or more visual characteristics of the fourth progress-indicator portion.

96. The method of claim 95, further comprising:

after detecting the second change in the orientation of the biometric feature relative to the one or more biometric sensors, in accordance with a determination that a second set of enrollment-completion criteria are met, outputting a second indication that enrollment of the biometric feature is complete.

97. The method of any of claims 65-96, wherein the one or more biometric sensors include one or more of: a visible light sensor, an infrared sensor, a time of flight sensor and/or a camera sensor.

98. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

concurrently displaying, on the display a biometric enrollment interface, wherein displaying the biometric enrollment interface includes concurrently displaying:

a representation of a biometric feature, wherein the representation of the biometric feature has an orientation determined based on an alignment of the biometric feature to one or more biometric sensors of the device; and

a progress indicator including a first progress-indicator portion at a first position on the display relative to the representation of the biometric feature and a second progress-indicator portion at a second position on the display relative to the representation of the biometric feature, wherein the representation of the biometric feature is displayed between the first position and the second position on the display;

while concurrently displaying the representation of the biometric feature and the progress indicator, detecting a change in the orientation of the biometric feature relative to the one or more biometric sensors; and

in response to detecting the change in the orientation of the biometric feature relative to the one or more biometric sensors:

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion, updating one or more visual characteristics of the first progress-indicator portion; and

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a second portion of the biometric feature that corresponds to the second progress-indicator portion, updating one or more visual characteristics of the second progress-indicator portion.

99. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

concurrently displaying, on the display a biometric enrollment interface, wherein displaying the biometric enrollment interface includes concurrently displaying:

a representation of a biometric feature, wherein the representation of the biometric feature has an orientation determined based on an alignment of the biometric feature to one or more biometric sensors of the device; and

a progress indicator including a first progress-indicator portion at a first position on the display relative to the representation of the biometric feature and a second progress-indicator portion at a second position on the display relative to the

representation of the biometric feature, wherein the representation of the biometric feature is displayed between the first position and the second position on the display;

while concurrently displaying the representation of the biometric feature and the progress indicator, detecting a change in the orientation of the biometric feature relative to the one or more biometric sensors; and

in response to detecting the change in the orientation of the biometric feature relative to the one or more biometric sensors:

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion, updating one or more visual characteristics of the first progress-indicator portion; and

in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a second portion of the biometric feature that corresponds to the second progress-indicator portion, updating one or more visual characteristics of the second progress-indicator portion.

100. An electronic device, comprising:

one or more biometric sensors;

a display;

means for concurrently displaying, on the display a biometric enrollment interface, wherein displaying the biometric enrollment interface includes concurrently displaying:

a representation of a biometric feature, wherein the representation of the biometric feature has an orientation determined based on an alignment of the biometric feature to one or more biometric sensors of the device; and

a progress indicator including a first progress-indicator portion at a first position on the display relative to the representation of the biometric feature and a second progress-indicator portion at a second position on the display relative to the representation of the biometric feature, wherein the representation of the biometric feature is displayed between the first position and the second position on the display;

means for while concurrently displaying the representation of the biometric feature and the progress indicator, detecting a change in the orientation of the biometric feature relative to the one or more biometric sensors; and

means for in response to detecting the change in the orientation of the biometric feature relative to the one or more biometric sensors:

means for in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a first portion of the biometric feature that corresponds to the first progress-indicator portion, updating one or more visual characteristics of the first progress-indicator portion; and

means for in accordance with a determination that the change in the orientation of the biometric feature meets enrollment criteria for a second portion of the biometric feature that corresponds to the second progress-indicator portion, updating one or more visual characteristics of the second progress-indicator portion.

101. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 65-97.

102. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 65-97.

103. An electronic device, comprising:

one or more biometric sensors;

a display; and

means for performing the method of any of claims 65-97.

104. A method, comprising:

at an electronic device with one or more biometric sensors and a display:

displaying, on the display, a biometric enrollment user interface for enrolling a biometric feature, wherein displaying the biometric enrollment user interface includes displaying a representation of the biometric feature, wherein the appearance of the representation of the biometric feature changes as the orientation of the biometric feature relative to the one or more biometric sensors changes;

while displaying the biometric enrollment user interface, detecting that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature; and

in response to detecting that the enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature, outputting a respective prompt to move the biometric feature in a respective manner, wherein the respective prompt is selected based on an enrollment state of one or more portions of the biometric feature, including:

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a first portion of the biometric feature that can be enrolled by moving the biometric feature in a first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the first manner; and

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a second portion of the biometric feature that can be enrolled by moving the biometric feature in a second manner, different from the first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the second manner.

105. The method of claim 104, wherein the enrollment-prompt criteria include a requirement that the biometric feature moves less than a first threshold amount for at least a first threshold time period.

106. The method of any of claims 104-105, wherein moving the biometric feature in the first manner includes moving the biometric feature in a first direction and moving the biometric feature in the second manner includes moving the biometric feature in a second direction different from the first direction.

107. The method of any of claims 104-106, wherein:

the enrollment prompt criteria include a requirement that the biometric feature has moved less than a threshold amount for a first period of time,

outputting the respective prompt includes a prompt to move the biometric feature in the first manner, and

the method includes:

after outputting the respective prompt, determining that the biometric feature has moved less than the threshold amount for a second period of time that is greater than the first period of time; and

in response to determining that the biometric feature has moved less than the threshold amount for the second period of time, displaying a subsequent prompt that is different from the respective prompt.

108. The method of claim 106, wherein:

outputting a prompt to move the biometric feature in the first manner includes outputting a prompt to move the biometric feature in the first direction; and

outputting a prompt to move the biometric feature in the second manner includes outputting a prompt to move the biometric feature in the second direction.

109. The method of claim 104, further comprising:

after outputting a respective prompt to move the biometric feature in a respective manner, in accordance with a determination that accessibility prompt criteria have been met, wherein the accessibility prompt criteria include a requirement that the orientation of the biometric feature relative to the one or more biometric sensors has changed less than a predetermined amount for a respective period of time, displaying an option to proceed with the enrollment without further changes in the orientation of the biometric feature relative to the one or more biometric sensors.

110. The method of any of claims 104-109, wherein outputting a respective prompt to move the biometric feature in a respective manner includes:

in accordance with a determination that auditory prompt criteria are met, outputting an auditory prompt to move the biometric feature in the first manner.

11 1. The method of claim 110, wherein outputting a respective prompt to move the biometric feature in a respective manner includes:

in accordance with a determination that auditory prompt criteria are not met, providing the user with an option to enable auditory prompts for the biometric enrollment.

112. The method of claim 109, including:

detecting selection of the option to proceed with the enrollment without further changes in the orientation of the biometric feature relative to the one or more biometric sensors; and

in response to detecting selection of the option to proceed with the enrollment without further changes in the orientation of the biometric feature relative to the one or more biometric sensors, forgoing one or more steps in the biometric enrollment.

113. The method of claim 112, further comprising:

in response to selection of the option to proceed with the enrollment without further changes in the orientation of the biometric feature relative to the one or more biometric sensors, displaying an indication that enrollment of the biometric feature is complete that includes information about which portions of the biometric feature have been enrolled.

114. The method of any of claims 104-113, wherein outputting the respective prompt to move the biometric feature in the respective manner includes outputting the respective prompt before any portion of the biometric feature has been enrolled

115. The method of any of claims 104-113, wherein outputting the respective prompt to move the biometric feature in the respective manner includes outputting the respective prompt after at least a portion of the biometric feature has been enrolled

116. The method of any of claims 104-115, wherein outputting a respective prompt to move the biometric feature in a respective manner includes outputting a tactile output.

117. The method of any of claims 112-1 13, further comprising:

in response to detecting selection of the of the option to proceed with the enrollment without further changes in the orientation of the biometric feature relative to the one or more biometric sensors, outputting a tactile output that is used to indicate successful biometric authentication with the biometric feature once the biometric feature has been enrolled.

118. The method of any of claims 104-117, wherein the respective prompt includes a tactile output that is used to indicate a failed biometric authentication with the device.

119. The method of any of claims 104- 118, wherein outputting a respective prompt to move the biometric feature in a respective manner includes displaying a text prompt to move the biometric feature in the respective manner.

120. The method of any of claims 104-119, wherein outputting a respective prompt to move the biometric feature in a respective manner includes overlaying a visual prompt on the representation of the biometric feature.

121. The method of any of claims 104-120, wherein outputting a respective prompt to move the biometric feature in a respective manner includes displaying an animation prompt to move the biometric feature in the respective manner.

122. The method of claim 121, wherein displaying an animation prompt to move the biometric feature in the respective manner includes displaying an arrow element indicating the respective manner in which to move the biometric feature.

123. The method of any of claims 121-122, wherein:

the first manner of movement includes rotation about an axis parallel to the display; the second manner of movement includes rotation about the axis parallel to the display;

the animation prompt includes simulated rotation of a user interface element about the axis parallel to the display.

124. The method of any of claims 121-123, wherein:

the biometric enrollment user interface includes an orientation guide that is overlaid on the representation of the biometric feature and tilts in different directions as the representation of the biometric feature tilts in different directions; and

in accordance with a determination that the enrollment-prompt criteria have been met with respect to the first portion of the biometric feature that can be enrolled by moving the biometric feature in the first manner, the animation prompt includes movement of a portion of the orientation guide in a direction that the orientation guide would move if the biometric feature moved in the first manner; and

in accordance with a determination that the enrollment-prompt criteria have been met with respect to the second portion of the biometric feature that can be enrolled by moving the biometric feature in the second manner, the animation prompt includes movement of a portion of the orientation guide in a direction that the orientation guide would move if the biometric feature moved in the second manner.

125. The method of any of claims 121 -124, wherein outputting a respective prompt to move the biometric feature in a respective manner includes outputting at least one of a tactile output or an auditory output corresponding to the animation

126. The method of any of claims 104-125, including:

after outputting the respective prompt, detecting movement of the biometric feature that meets enrollment criteria for a respective portion of the biometric feature;

in response to detecting the movement of the biometric feature, enrolling the respective portion of the biometric feature;

while enrolling the respective portion of the biometric feature, ceasing to provide the prompts;

after enrolling the respective portion of the biometric feature, determining that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature; and

in response to determining that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature, outputting another respective prompt to move the biometric feature in a respective manner determined based on the one or more portions of the biometric feature for which the enrollment-prompt criteria have been met.

127. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

displaying, on the display, a biometric enrollment user interface for enrolling a biometric feature, wherein displaying the biometric enrollment user interface includes

displaying a representation of the biometric feature, wherein the appearance of the representation of the biometric feature changes as the orientation of the biometric feature relative to the one or more biometric sensors changes;

while displaying the biometric enrollment user interface, detecting that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature; and

in response to detecting that the enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature, outputting a respective prompt to move the biometric feature in a respective manner, wherein the respective prompt is selected based on an enrollment state of one or more portions of the biometric feature, including:

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a first portion of the biometric feature that can be enrolled by moving the biometric feature in a first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the first manner; and

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a second portion of the biometric feature that can be enrolled by moving the biometric feature in a second manner, different from the first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the second manner.

128. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

displaying, on the display, a biometric enrollment user interface for enrolling a biometric feature, wherein displaying the biometric enrollment user interface includes displaying a representation of the biometric feature, wherein the appearance of the representation of the biometric feature changes as the orientation of the biometric feature relative to the one or more biometric sensors changes;

while displaying the biometric enrollment user interface, detecting that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature; and

in response to detecting that the enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature, outputting a respective prompt to move the biometric feature in a respective manner, wherein the respective prompt is selected based on an enrollment state of one or more portions of the biometric feature, including:

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a first portion of the biometric feature that can be enrolled by moving the biometric feature in a first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the first manner; and

in accordance with a determination that the enrollment-prompt criteria have been met with respect to a second portion of the biometric feature that can be enrolled by moving the biometric feature in a second manner, different from the first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the second manner.

129. An electronic device, comprising:

one or more biometric sensors;

a display;

means for displaying, on the display, a biometric enrollment user interface for enrolling a biometric feature, wherein displaying the biometric enrollment user interface includes displaying a representation of the biometric feature, wherein the appearance of the representation of the biometric feature changes as the orientation of the biometric feature relative to the one or more biometric sensors changes;

means for while displaying the biometric enrollment user interface, detecting that enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature; and

means for in response to detecting that the enrollment-prompt criteria have been met with respect to one or more portions of the biometric feature, outputting a respective prompt to move the biometric feature in a respective manner, wherein the respective prompt is

selected based on an enrollment state of one or more portions of the biometric feature, including:

means for in accordance with a determination that the enrollment-prompt criteria have been met with respect to a first portion of the biometric feature that can be enrolled by moving the biometric feature in a first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the first manner; and

means for in accordance with a determination that the enrollment-prompt criteria have been met with respect to a second portion of the biometric feature that can be enrolled by moving the biometric feature in a second manner, different from the first manner, outputting the respective prompt includes outputting a prompt to move the biometric feature in the second manner.

130. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 104-126.

131. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 104-126.

132. An electronic device, comprising:

one or more biometric sensors;

a display;

means for performing the method of any of claims 104-126.

133. A method, comprising:

at an electronic device with one or more biometric sensors and a display:

concurrently displaying, on the display:

an application interface corresponding to an application; and

a biometric authentication interface controlled by an operating system of the electronic device, wherein the biometric authentication interface is displayed over a portion of the application interface;

while displaying the biometric authentication interface, obtaining, from the one or more biometric sensors, biometric data corresponding to at least a portion of a biometric feature; and

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies biometric authentication criteria:

providing authentication information to the application indicating the biometric authentication criteria have been satisfied with respect to the one or more portions of the biometric feature; and

after providing authentication information to the application, maintaining display of the biometric authentication interface for a predetermined amount of time.

134. The method of claim 133, wherein the biometric authentication interface is at least partially translucent.

135. The method of any of claims 133-134, further comprising:

prior to displaying the application interface and the biometric authentication interface, loading the application; and

wherein the biometric authentication interface is displayed in response to the loading of the application.

136. The method of any of claims 133-134, wherein, the biometric authentication interface is displayed in response to detecting a user interaction with the application interface that corresponds to a request to access content that requires authentication.

137. The method of claim 136, further comprising:

while displaying the authentication affordance and prior to obtaining the biometric data corresponding to at least a portion of the biometric feature, preparing to use the one or more biometric sensors.

138. The method of any of claims 133-137, further comprising:

in response to obtaining, from the one or more biometric sensors, biometric data corresponding to at least a portion of a biometric feature, determining, based on the biometric data, whether the at least a portion of the biometric feature satisfies biometric authentication criteria.

139. The method of any of claims 133-138, further comprising:

in response to obtaining, from the one or more biometric sensors, biometric data: changing a size of an interface object of the biometric authentication interface from a first size to a second size; and

changing the size of the interface object from the second size to the first size.

140. The method of claiml38, wherein determining, based on the biometric data, whether the at least a portion of the biometric feature satisfies biometric authentication criteria includes displaying a biometric authentication analysis animation.

141. The method of claim 140, wherein displaying the biometric authentication analysis animation includes rotating one or more rings around an interface object of the biometric authentication animation.

142. The method of any of claims 140-141, wherein displaying the biometric

authentication analysis animation includes changing an appearance of an animated object on a platter that has an appearance based on underlying content, and as the appearance of the animated object changes, the appearance of the platter changes.

143. The method of any of claims 140-142, wherein one or more colors of the biometric authentication analysis animation are based on one or more colors of the application interface.

144. The method of any of claims 133-143, further comprising:

after maintaining display of the biometric authentication interface for a predetermined amount of time, ceasing to display the biometric authentication interface.

145. The method of any of claims 133-144, including, while maintaining display of the biometric authentication interface for the predetermined amount of time, displaying a change in the user interface of the application that is a result of providing the authentication information to the application.

146. The method of any of claims 133-145, further comprising:

further in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies the biometric authentication criteria, displaying a biometric authentication success animation including a first representation of a simulation of a biometric feature indicating the at least a portion of the biometric feature satisfies the biometric authentication criteria.

147. The method of any of claims 133-146, further comprising:

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, displaying a biometric authentication failure animation including a second representation of a simulation of a biometric feature indicating the at least a portion of the biometric feature does not satisfy biometric authentication criteria.

148. The method of claim 147, wherein the second representation of the simulation of the biometric feature is a three-dimensional object and wherein displaying the biometric authentication failure animation includes alternating rotation of the second representation between rotation in a first direction about an axis parallel to the display and rotation in a second direction about the axis parallel to the display.

149. The method of any of claims 147-148, wherein displaying a biometric failure animation includes emphasizing a boundary of the biometric authentication interface relative to the application interface.

150. The method of claim 149, the method further comprising:

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, displaying a failure interface.

151. The method of claim 150, wherein the failure interface includes a retry affordance, the method further comprising:

receiving an input corresponding to a selection of the retry affordance;

in response to receiving an input corresponding to a selection of the retry affordance, obtaining, from the one or more biometric sensors, second biometric data corresponding to at least a portion of a second biometric feature;

after obtaining the second biometric data that corresponds to at least a portion of the second biometric feature, in accordance with a determination, based on the second biometric data, that the at least a portion of the second biometric feature satisfies second biometric authentication criteria:

providing second authentication information to the application indicating the second biometric authentication criteria have been satisfied with respect to the one or more portions of the second biometric feature.

152. The method of any of claims 149-151, wherein the failure interface includes a cancellation affordance, the method further comprising:

receiving an input corresponding to selection of the cancellation affordance; and in response to receiving the input corresponding to selection of the cancellation affordance, ceasing to display the biometric authentication interface.

153. The method of any of claims 150-152, wherein the failure interface includes an alternative authentication affordance, the method further comprising:

receiving an input corresponding to selection of the alternative authentication affordance; and

in response to receiving the input corresponding to selection of the alternative authentication affordance, displaying an alternative authentication interface.

154. The method of claim 153, wherein the alternative authentication interface is an application-level authentication interface, the method further comprising:

further in response to receiving the input corresponding to selection of the alternative authentication affordance, ceasing to display the biometric authentication interface.

155. The method of any of claims 133-154, further comprising:

further in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies the biometric authentication criteria, providing a success tactile output indicating that the at least a portion of the biometric feature satisfies the biometric authentication criteria.

156. The method of claim 155, the method further comprising:

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, providing a failure tactile output different than the success tactile output.

157. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

concurrently displaying, on the display:

an application interface corresponding to an application; and

a biometric authentication interface controlled by an operating system of the electronic device, wherein the biometric authentication interface is displayed over a portion of the application interface;

while displaying the biometric authentication interface, obtaining, from the one or more biometric sensors, biometric data corresponding to at least a portion of a biometric feature; and

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies biometric authentication criteria:

providing authentication information to the application indicating the biometric authentication criteria have been satisfied with respect to the one or more portions of the biometric feature; and

after providing authentication information to the application, maintaining display of the biometric authentication interface for a predetermined amount of time.

158. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

concurrently displaying, on the display:

an application interface corresponding to an application; and a biometric authentication interface controlled by an operating system of the electronic device, wherein the biometric authentication interface is displayed over a portion of the application interface;

while displaying the biometric authentication interface, obtaining, from the one or more biometric sensors, biometric data corresponding to at least a portion of a biometric feature; and

in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies biometric authentication criteria:

providing authentication information to the application indicating the biometric authentication criteria have been satisfied with respect to the one or more portions of the biometric feature; and

after providing authentication information to the application, maintaining display of the biometric authentication interface for a predetermined amount of time.

159. An electronic device, comprising:

one or more biometric sensors;

a display;

means for concurrently displaying, on the display:

an application interface corresponding to an application; and

a biometric authentication interface controlled by an operating system of the electronic device, wherein the biometric authentication interface is displayed over a portion of the application interface;

means for while displaying the biometric authentication interface, obtaining, from the one or more biometric sensors, biometric data corresponding to at least a portion of a biometric feature; and

means for in accordance with a determination, based on the biometric data, that the at least a portion of the biometric feature satisfies biometric authentication criteria:

means for providing authentication information to the application indicating the biometric authentication criteria have been satisfied with respect to the one or more portions of the biometric feature; and

means for after providing authentication information to the application, maintaining display of the biometric authentication interface for a predetermined amount of time.

160. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 133-156.

161. An electronic device, comprising:

one or more biometric sensors;

a display;

a touch-sensitive surface;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 133-156.

162. An electronic device, comprising:

one or more biometric sensors;

a display;

means for performing the method of any of claims 133-156.

163. A method, comprising:

at an electronic device with one or more biometric sensors and a display:

displaying, on the display, an application interface including a fillable field; while displaying the application interface, receiving a request to autofill the fillable field of the application interface; and

in response to receiving the request to autofill the fillable field of the application interface:

in accordance with a determination that the fillable field of the application interface is associated with data of a first type, autofilling the fillable field with data of the first type; and

in accordance with a determination that the fillable field of the application is associated with data of a second type and that at least a portion of a biometric feature, determined based on the data obtained from the one or more biometric sensors that corresponds to the biometric feature, satisfies biometric authentication criteria, autofilling the fillable field with data of the second type.

164. The method of claim 163, further comprising, in response to receiving the request to autofill the fillable field of the application interface:

in accordance with a determination that the fillable field of the application is associated with data of a second type and that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, forgoing autofilling the fillable field with data of the second type.

165. The method of claim 164, further comprising:

further in accordance with the determination, based on the data obtained from the one or more biometric sensors, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, displaying an indication that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria.

166. The method of any of claims 163-165, wherein:

the one or more biometric sensors includes a camera; and

the data obtained from the one or more biometric sensors that corresponds to the biometric feature includes biometric data obtained using the camera.

167. The method of any of claims 163-166, wherein:

the biometric feature is a face;

the data obtained from the one or more biometric sensors that corresponds to the biometric feature includes biometric data associated with a portion of the face; and

the biometric authentication criteria, includes a requirement that the biometric data associated with the face match biometric data associated with an authorized face in order for the biometric authentication criteria to be met.

168. The method of any of claims 163-167, wherein displaying, on the display, an application interface including a fillable field includes:

in accordance with the fillable field being associated with data of the second type, displaying the fillable field with a first visual treatment; and

in accordance with the fillable field being associated with data of the first type, displaying the fillable field with a second visual treatment, different than the first visual treatment.

169. The method of claim 168, wherein the first visual treatment includes a first color scheme and the second visual treatment includes a second color scheme, different than the first color scheme.

170. The method of any of claims 168-169, wherein the first visual treatment includes a biometric authentication interface object associated with the fillable field.

171. The method of any of claims 163-170, further comprising:

while obtaining, from the one or more biometric sensors, data corresponding to the biometric feature, displaying a biometric authentication interface.

172. The method of claim 171, wherein the biometric authentication interface includes a representation of a simulation of the biometric feature.

173. The method of any of claims 171-172, wherein displaying the biometric

authentication interface includes displaying a biometric authentication animation.

174. The method of any of claims 163-173, wherein receiving the request to autofill the at least one fillable field of the application interface includes receiving a selection of an autofill affordance that is displayed on the display of the electronic device.

175. The method of claim 174, further comprising:

prior to receiving the request to autofill the at one fillable field, receiving a selection of the fillable field; and

in response to the selection of the fillable field, displaying the autofill affordance.

176. The method of any of claims 163-173, wherein receiving the request to autofill the at least one fillable field of the application interface includes receiving a selection of the fillable field.

177. The method of any of claims 163-176, wherein autofilling the fillable field occurs without displaying, in response to the request to autofill the fillable field, an input interface.

178. The method of any of claims 163-173, wherein receiving the request to autofill the at least one fillable field of the application interface includes receiving a selection of a reference corresponding to a candidate input associated with data of the second type.

179. The method of any of claims 163-173, wherein:

displaying, on the display, an application interface including a fillable field includes displaying a webpage including the fillable field; and

receiving the request to autofill the at least one fillable field of the application interface includes a selection of the fillable field of the webpage.

180. The method of claim 178, wherein the selection of the reference to the candidate input is a selection of an affordance of a software keyboard.

181. The method of any of claims 163-180, wherein the tillable field is a first tillable field and the application interface includes a second fillable field, the method further comprising: in accordance with a determination, based on the data obtained from the one or more biometric sensors, that the at least a portion of the biometric feature satisfies biometric authentication criteria, autofilling a second fillable field with data.

182. The method of claim 179, wherein the request to autofill the fillable field is based on detection of loading a webpage that includes the fillable field; and

the method includes, after responding to the request to autofill the fillable field of the application interface:

receiving a subsequent request to load the webpage; and

in response to the subsequent request to load the webpage:

in accordance with a determination that the subsequent request to load the webpage meets authentication retry criteria, attempting biometric authentication to autofill the fillable field in the application interface; and

in accordance with a determination that the subsequent request to load the webpage does not meet the authentication retry criteria, forgoing attempting biometric authentication to autofill the fillable field in the application interface.

183. The method of claim 182, wherein the authentication retry criteria include at least one of:

a requirement that the webpage has not been loaded within a predetermined amount of time; or

a requirement that the webpage has not been loaded during the same session.

184. The method of any of claims 163-183, wherein the application interface is a first interface generated by the application, and wherein the application interface further includes a submission affordance associated with the fillable field, the method further including: after autofilling the fillable field with the data of the first type or the data of the second type, receiving a selection of the submission affordance; and

in response to receiving the selection of the submission affordance:

ceasing to display the application interface; and

displaying a second interface generated by the application.

185. The method of claim 171 , further comprising:

in accordance with a determination, based on the data obtained from the one or more biometric sensors that corresponds to the biometric feature, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, ceasing to display the biometric authentication interface.

186. The method of any of claims 163-185, wherein autofilling the fillable field with data of the second type includes:

in accordance with a determination that the electronic device has access to a single candidate value of the second type for filling in the fillable field, autofilling the fillable field with the data of the second type; and

in accordance with a determination that the electronic device has access to multiple candidate values of the second type for autofilling in the fillable field:

displaying representations of a plurality of the multiple candidate values; while displaying the representations of the plurality of the multiple candidate values, receiving a selection of a representation of a respective candidate value of the multiple candidate values; and

autofilling the fillable field with the respective candidate value.

187. The method of any of claims 163-185, further comprising:

further in response to the request to autofill the fillable field and in accordance with a determination that the fillable field of the application is associated with data of a second type:

determining whether multiple candidate inputs associated with data of the second type are stored on the electronic device;

in accordance with a determination that multiple candidate inputs associated with data of the second type are stored on the electronic device, displaying the multiple candidates;

receiving a selection of a candidate input of the displayed multiple candidate inputs; and

in response to receiving the selection of the candidate input, obtaining, from the one or more biometric sensors, the data corresponding to at least a portion of a biometric feature,

wherein autofilling the fillable field with data of the second type includes autofilling the fillable field with the selected candidate input.

188. The method of any of claims 163-187, further comprising:

in response to receiving the request to autofill the fillable field of the application interface, in accordance with a determination that biometric authentication is not available, prompting the user for an alternative form of authentication; and

after prompting the user for an alternative form of authentication:

receiving an alternative form of authentication; and

in response to receiving the alternative form of authentication:

in accordance with a determination that the alternative form of authentication is consistent with authorized authentication information, autofilling the fillable field; and

in accordance with a determination that the alternative form of authentication is not consistent with authorized authentication information, forgoing autofilling the fillable field.

189. The method of any of claims 163-173, 179, 181 , 184-185, and 188, further comprising:

detecting a selection of the fillable field; and

in response to detecting the selection of the fillable field, displaying an input interface including a plurality of user interface objects that correspond to candidate inputs for the fillable field,

wherein receiving the request to autofill the fillable field of the application interface includes receiving a selection of a user interface object that corresponds to a respective candidate input of the plurality of candidate inputs.

190. The method of claim 189, further comprising:

in accordance with a determination, based on the data obtained from the one or more biometric sensors, that the at least a portion of the biometric feature does not satisfy the biometric authentication criteria, displaying an input interface.

191. A non-transitory computer-readable storage medium comprising one or more programs for execution by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs comprising instructions for:

displaying, on the display, an application interface including a fillable field;

while displaying the application interface, receiving a request to autofill the fillable field of the application interface; and

in response to receiving the request to autofill the fillable field of the application interface:

in accordance with a determination that the fillable field of the application interface is associated with data of a first type, autofilling the fillable field with data of the first type; and

in accordance with a determination that the fillable field of the application is associated with data of a second type and that at least a portion of a biometric feature, determined based on the data obtained from the one or more biometric sensors that corresponds to the biometric feature, satisfies biometric authentication criteria, autofilling the fillable field with data of the second type.

192. An electronic device comprising:

one or more biometric sensors;

a display;

a memory; and

one or more processors coupled to the one or more biometric sensors, the display and the memory, wherein the memory comprises instructions to cause the electronic device to:

display, on the display, an application interface including a fillable field; while displaying the application interface, receive a request to autofill the fillable field of the application interface; and

in response to receiving the request to autofill the fillable field of the application interface:

in accordance with a determination that the fillable field of the application interface is associated with data of a first type, autofill the fillable field with data of the first type; and

in accordance with a determination that the fillable field of the application is associated with data of a second type and that at least a portion of a biometric

feature, determined based on the data obtained from the one or more biometric sensors that corresponds to the biometric feature, satisfies biometric authentication criteria, autofill the fillable field with data of the second type.

193. An electronic device comprising:

one or more biometric sensors;

a display;

means for displaying, on the display, an application interface including a fillable field; means for while displaying the application interface, receiving a request to autofill the fillable field of the application interface; and

means for in response to receiving the request to autofill the fillable field of the application interface:

means for in accordance with a determination that the fillable field of the application interface is associated with data of a first type, autofilling the fillable field with data of the first type; and

means for in accordance with a determination that the fillable field of the application is associated with data of a second type and that at least a portion of a biometric feature, determined based on the data obtained from the one or more biometric sensors that corresponds to the biometric feature, satisfies biometric authentication criteria, autofilling the fillable field with data of the second type.

194. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 163-190.

195. An electronic device, comprising:

one or more biometric devices;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 163-190.

196. An electronic device, comprising:

one or more biometric devices;

a display; and

means for performing the method of any of claims 163-190.

A method, comprising:

at an electronic device having one or more biometric sensors and a display:

detecting that device wake criteria have been met;

in response to detecting that the device wake criteria have been met transitioning the electronic device from a first visual state to a second visual state; and

after transitioning the device to the second visual state:

in accordance with a determination that biometric authentication criteria has been met based on biometric data provided by the one or more biometric sensors, transitioning the electronic device from the second visual state to a third visual state, wherein the transition from the second visual state to the third visual state is a continuation of the transition from the first visual state to the second visual state; and

in accordance with a determination that biometric authentication criteria has been not met based on biometric data provided by the one or more biometric sensors, maintaining the electronic device in the second visual state.

198. The method of claim 197, wherein the second visual state includes a first introductory screen displayed at first a brightness and wherein the third visual state includes a second introductory screen at a second brightness, higher than the first brightness.

199. The method of any of claims 197-198, wherein transitioning from the second visual state to the third visual state includes adjusting a size of a first user interface obj ect displayed on the display of the electronic device.

200. The method of any of claims 197-199, wherein transitioning from the second visual state to the third visual state includes changing a degree of blurring of a second user interface obj ect displayed on the display of the electronic device.

201. The method of any of claims 197-200, wherein transitioning from the second visual state to the third visual state includes translating a position of a third user interface object displayed on the display of the electronic device from a first position to a second position.

202. The method of claim 199, wherein the first user interface object is a lock icon and the adjusting the size of the first user interface object includes increasing the size of the first user interface object.

203. The method of any of claims 197-202, further comprising:

while in the second visual state, displaying a fourth user interface object indicative of a visual state of the electronic device; and

further in accordance with a determination that biometric authentication criteria have not been met based on biometric data provided by the one or more biometric sensors, alternating a position of the fourth user interface object between a first position and a second position.

204. The method of any of claims 197-202, further comprising:

while in the second visual state, displaying a fifth user interface object indicative of a visual state of the electronic device; and

further in accordance with a determination that biometric authentication criteria has been met based on biometric data provided by the one or more biometric sensors, displaying an unlock animation including the fifth user interface obj ect,

wherein the fifth user interface object has a first state when the electronic device is in the second visual state and has a second state when the electronic device is in the third visual state, wherein the visual state element transitions from the first state to the second state during the unlock animation.

205. The method of claim 204, wherein transitioning the device from the second visual state to the third visual state includes outputting a tactile output.

206. The method of any of claims 197-205, wherein the third visual state corresponds to an unlocked state, the method further comprising:

while in third visual state, receiving a locking input; and

in response to receiving the locking input, transitioning from the third visual state to a locked state.

207. The method of claim 206, wherein transitioning the device from the third visual state to the locked state includes displaying a lock animation including a sixth user interface object indicative of a visual state of the electronic device,

wherein the sixth user interface object has a first appearance when the electronic device is in the third visual state and has a second appearance when the electronic device is in the locked state, wherein the sixth user interface object transitions from the first appearance to the second appearance during the lock animation.

208. The method of any of claims 206-207, wherein transitioning the device from the third visual state to the locked state includes outputting a tactile output.

209. The method of any of claims 197-208, including:

while the device is in an unlocked state, detecting that a locking condition has been met; and

in response to detecting that the locking condition has been met:

in accordance with a determination that the locking condition is an explicit lock input, transitioning the device from the unlocked state to a locked state and outputting a respective lock indication; and

in accordance with a determination that the locking condition is an implicit lock condition, transitioning the device from the unlocked state to the locked state without outputting the respective lock indication.

210. The method of any of claims 207-208, wherein displaying the lock animation includes displaying a current time.

21 1. The method of any of claims 197-210, wherein the biometric authentication criteria include a requirement that a user was looking at the display of the electronic device with a face that is consistent with one or more authorized faces.

212. The method of claim 211 , further comprising:

prior to detecting that device wake criteria have been met, performing a biometric enrollment process, wherein during the biometric enrollment, the device required that a face being enrolled include facial characteristics indicative of the face looking at the electronic device during enrollment of the face in order to proceed with the biometric enrollment of the face.

213. The method of any of claims 197-210, further comprising, when determining whether biometric authentication criteria have been met:

in accordance with a determination that a selectable option of the electronic device is enabled, using a first set of criteria as the biometric authentication criteria, wherein the first set of criteria include a requirement that a face of a user was looking at the display of the electronic device; and

in accordance with a determination that the selectable option of the electronic device is not enabled, using a second set of criteria as the biometric authentication criteria, wherein the second set of criteria do not include a requirement that the face of the user was looking at the display of the electronic device.

214. The method of any of claims 197-213, the method further including:

after detecting that the device wake criteria have been met, detecting a request to display a biometric authentication setting interface;

in response to the request to display the biometric authentication setting interface, displaying a biometric authentication setting interface;

while displaying the biometric authentication setting interface, receiving a first user input corresponding to a request to disable biometric authentication;

in response to receiving the first user input, disabling biometric authentication;

while biometric authentication is disabled and while the device is in a locked state, receiving a request to unlock the device; and

in response to receiving the request to unlock the device, outputting a prompt for authentication with a different form of authentication from the biometric authentication.

215. The method of any of claims 197-214, wherein one or more features of the electronic device are disabled while the electronic device is in the first visual state.

216. The method of claim 215, wherein transitioning to the second visual state includes enabling the one or more disabled functions of the electronic device.

217. The method of any of claims 197-216, further comprising:

after transitioning to the second visual state:

determining, by the one or more biometric sensors, whether biometric capture criteria are met; and

in accordance with a determination that the biometric capture criteria are met, providing, by the one or more biometric sensors, biometric data associated with a biometric feature.

218. The method of claim 217, wherein determining, by the one or more biometric sensors, whether biometric capture criteria are met includes determining whether the biometric capture criteria are met a first predetermined amount of time after transitioning to the second visual state.

219. The method of claim 218, further comprising:

in accordance with a determination that the biometric capture criteria are not met a first predetermined amount of time after transitioning to the second visual state, determining whether the biometric capture criteria are met a second predetermined amount of time after the first predetermined amount of time has elapsed.

220. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

detecting that device wake criteria have been met;

in response to detecting that the device wake criteria have been met transitioning the electronic device from a first visual state to a second visual state; and

after transitioning the device to the second visual state:

in accordance with a determination that biometric authentication criteria has been met based on biometric data provided by the one or more biometric sensors, transitioning the electronic device from the second visual state to a third visual state, wherein the transition from the second visual state to the third visual state is a continuation of the transition from the first visual state to the second visual state; and

in accordance with a determination that biometric authentication criteria has been not met based on biometric data provided by the one or more biometric sensors, maintaining the electronic device in the second visual state.

221. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

detecting that device wake criteria have been met;

in response to detecting that the device wake criteria have been met transitioning the electronic device from a first visual state to a second visual state; and

after transitioning the device to the second visual state:

in accordance with a determination that biometric authentication criteria has been met based on biometric data provided by the one or more biometric sensors, transitioning the electronic device from the second visual state to a third visual state, wherein the transition from the second visual state to the third visual state is a continuation of the transition from the first visual state to the second visual state; and

in accordance with a determination that biometric authentication criteria has been not met based on biometric data provided by the one or more biometric sensors, maintaining the electronic device in the second visual state.

222. An electronic device, comprising:

one or more biometric sensors;

a display;

means for detecting that device wake criteria have been met;

means for in response to detecting that the device wake criteria have been met transitioning the electronic device from a first visual state to a second visual state; and

means for after transitioning the device to the second visual state:

means for in accordance with a determination that biometric authentication criteria has been met based on biometric data provided by the one or more biometric sensors, transitioning the electronic device from the second visual state to a third visual state, wherein the transition from the second visual state to the third visual state is a continuation of the transition from the first visual state to the second visual state; and

means for in accordance with a determination that biometric authentication criteria has been not met based on biometric data provided by the one or more biometric sensors, maintaining the electronic device in the second visual state.

223. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 197-219.

224. An electronic device, comprising:

one or more biometric devices;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 197-219.

An electronic device, comprising:

one or more biometric devices;

a display; and

means for performing the method of any of claims 197-219.

226. A method, comprising:

at an electronic device having one or more biometric sensors and a display:

while the electronic device is in a locked state, detecting a condition that is associated with performing a biometric authentication check using a biometric sensor without an explicit input from the user requesting biometric authentication; and

in response to detecting the condition, performing a first biometric authentication check, including:

capturing first biometric data using the one or more biometric sensors; after capturing the first biometric data:

in accordance with a determination that the first biometric data satisfies biometric authentication criteria, transitioning the device from the locked state to an unlocked state; and

in accordance with a determination that the first biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state;

after the performing the first biometric authentication check, detecting, via the device, a request to perform a respective operation without receiving further authentication information from the user; and

in response to detecting the request to perform the respective operation: in accordance with a determination that the respective operation does not require authentication, performing the respective operation;

in accordance with a determination that the respective operation requires authentication and that the device is in the unlocked state, performing the respective operation; and

in accordance with a determination that the respective operation requires authentication and that the device is in the locked state:

capturing second biometric data using the one or more biometric sensors without an explicit input from the user requesting a second biometric authentication check; and

after capturing the second biometric data, performing the second biometric authentication check, including:

in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, performing the respective operation; and

in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, forgoing performance of the respective operation.

227. The method of claim 226, wherein detecting, via the device, the request to perform a respective operation without receiving further authentication information from the user includes detecting a request to display content that is unavailable for display when the electronic device is in the locked state.

228. The method of any of claims 226-227, wherein the one or more biometric sensors include a contactless biometric sensor configured to capture biometric data associated with biometric features located within a predetermined range of distances from the contactless biometric sensor.

229. The method of any of claims 226-228, wherein, the device is restricted from performing more than a predefined number of biometric authentication checks without successful authentication.

230. The method of claim 226-229, wherein the device performs fewer than the predefined number of biometric authentication checks in response to detecting the condition, so as to reserve at least one biometric authentication check for use in response detecting the request to perform the respective operation.

231. The method of any of claims 226-230, wherein detecting a condition that is associated with performing the biometric authentication using a biometric sensor without an explicit input from the user requesting biometric authentication includes:

while the display of the electronic device is disabled, detecting a display wake condition.

232. The method of any of claims 226-231, further comprising:

in response to detecting the request to perform the respective operation and in accordance with a determination that the respective operation requires authentication and that the device is in the locked state, displaying an alternative authentication interface.

233. The method of any of claims 226-232, further comprising:

in response to detecting the request to perform the respective operation and in accordance with a determination that the respective operation requires authentication and that the device is in the locked state, displaying an authentication indication for the biometric authentication without displaying an option to proceed with an alternative form of authentication.

234. The method of any of claims 226-233, further comprising:

wherein the second biometric authentication check is performed while displaying an alternative authentication interface; and

the biometric authentication criteria include a requirement that authentication using the alternative authentication interface has not yet started in order for the biometric authentication criteria to be met.

235. The method of any of claims 226-233, wherein performing the at least a portion of second biometric authentication check includes performing at least a portion of the second biometric authentication check while displaying an alternative authentication interface.

236. The method of any of claims 234-235, including:

while displaying the alternative authentication interface, determining that the biometric authentication criteria have been met; and

in response to determining that the biometric authentication criteria have been met, performing the respective operation.

237. The method of any of claims 226-236 including, in response to detecting the request to perform the respective operation while the device is in the locked state, in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state.

238. The method of any of claims 226-237, wherein the request to perform a respective operation includes at least one of:

a selection of a notification;

a swipe gesture;

movement of the electronic device a predetermined manner; and

a selection of an affordance.

239. The method of any of claims 226-237, including:

while the device is in a locked state, receiving a request to perform an operation that does not require authentication; and

in response to the request to perform the operation that does not require

authentication, performing the operation without waiting for authentication.

240. The method of any of claims 226-239, including:

while the electronic device is in a locked state, displaying, on the touch-sensitive display, one or more affordances for performing operations for which authentication is not required;

while displaying the one or more affordances for performing operations for which authentication is not required, detecting activation of a respective affordance of the one or more affordances for performing operations for which authentication is not required; and in response to detecting activation of a respective affordance of the one or more affordances for performing operations for which authentication is not required:

in accordance with a determination that a face was looking at the display of the electronic device when the activation of the respective affordance was detected, performing an operation associated with the respective affordance; and

in accordance with a determination that a face was not looking at the display of the electronic device when the activation of the respective affordance was detected, forgoing performance of the operation associated with the respective affordance

241. The method of any of claims 226-240, further comprising:

while performing the first biometric authentication check, receiving a second request to perform a second operation without receiving further authentication information from the user; and

in response to receiving the second request to perform the second operation:

in accordance with a determination that the second request to perform the second operation was received after determining that the first biometric data does not satisfy the biometric authentication criteria, displaying an alternative authentication interface; and in accordance with a determination that the second request to perform the second operation was received prior to evaluating the first biometric data, displaying a

biometric authentication indicator that includes an indication that biometric authentication is being attempted without displaying the alternative authentication interface.

242. The method of claim 241 , wherein the biometric authentication indicator that is displayed in response to receiving the second request to perform the second operation in accordance with a determination that the second request to perform the second operation was received prior to evaluating the first biometric data includes an indication of an application associated with the notification.

243. The method of any of claims 226-242, further comprising:

in response to detecting the request to perform the respective operation, in accordance with a determination that the second biometric data does not satisfy the biometric

authentication criteria, displaying an alternative authentication user interface;

while displaying the alternative authentication user interface, detecting an alternative authentication attempt that corresponds to the alternative authentication user interface; and in response to detecting the alternative authentication attempt that corresponds to the alternative authentication user interface:

in accordance with a determination that the authentication attempt is successful and that biometric data corresponding to the alternative authentication attempt meets first similarity criteria to stored biometric data that corresponds to an authorized user of the device, performing the respective operation and storing additional information based on the biometric data corresponding to the alternative authentication attempt as biometric data that can be used in future biometric authentication attempts to identify the authorized user of the device; and

in accordance with a determination that the authentication attempt is successful and that biometric data corresponding to the alternative authentication attempt does not meet the first similarity criteria to stored biometric data that corresponds to an authorized user of the device, performing the respective operation and without storing additional information based on the biometric data corresponding to the alternative authentication attempt as biometric data that can be used in future biometric authentication attempts to identify the authorized user of the device.

244. The method of claim 243, further comprising, in response to detecting the alternative authentication attempt that corresponds to the alternative authentication user interface, in accordance with a determination that the authentication attempt is successful and that biometric data corresponding to the alternative authentication attempt meets similarity criteria to stored biometric data that corresponds to an authorized user of the device, outputting an output indicating that information used in future biometric authentication attempts to identify the authorized user of the device has been modified.

245. The method of any of claims 243-244, including:

while the device is in an unlocked state, receiving a request to store additional information for use in biometric authentication; and

in response to the request to store additional information for use in biometric authentication:

capturing third biometric data;

in accordance with a determination that the third biometric data meets second similarity criteria to stored biometric data that corresponds to an authorized user of the device, storing additional information based on the third biometric data that can be used in future biometric authentication attempts to identify the authorized user of the device, wherein the second similarity criteria requires less similarity between the third biometric data and the stored biometric data than is required by the first similarity criteria; and

in accordance with a determination that the third biometric data does not meet the second similarity criteria to stored biometric data that corresponds to an authorized user of the device, forgoing storing additional information based on the third biometric data that can be used in future biometric authentication attempts to identify the authorized user of the device.

246. The method of any of claims 226-245, further comprising:

while in the unlocked state and prior to detecting the request to perform the respective operation, outputting a prompt, that corresponds to instructions to provide the request to perform a respective operation.

247. The method of claim 246, wherein the prompt criteria include a requirement that a gaze of a user is directed at the electronic device.

248. The method if claim 247, wherein the prompt criteria include a requirement that the device detect facial characteristics indicative of the face looking at the electronic device for at least a predetermined amount of time.

249. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

while the electronic device is in a locked state, detecting a condition that is associated with performing a biometric authentication check using a biometric sensor without an explicit input from the user requesting biometric authentication; and

in response to detecting the condition, performing a first biometric authentication check, including:

capturing first biometric data using the one or more biometric sensors;

after capturing the first biometric data:

in accordance with a determination that the first biometric data satisfies biometric authentication criteria, transitioning the device from the locked state to an unlocked state; and

in accordance with a determination that the first biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state;

after the performing the first biometric authentication check, detecting, via the device, a request to perform a respective operation without receiving further authentication information from the user; and

in response to detecting the request to perform the respective operation:

in accordance with a determination that the respective operation does not require authentication, performing the respective operation;

in accordance with a determination that the respective operation requires authentication and that the device is in the unlocked state, performing the respective operation; and

in accordance with a determination that the respective operation requires authentication and that the device is in the locked state:

capturing second biometric data using the one or more biometric sensors without an explicit input from the user requesting a second biometric authentication check; and

after capturing the second biometric data, performing the second biometric authentication check, including:

in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, performing the respective operation; and

in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, forgoing performance of the respective operation.

250. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

while the electronic device is in a locked state, detecting a condition that is associated with performing a biometric authentication check using a biometric sensor without an explicit input from the user requesting biometric authentication; and

in response to detecting the condition, performing a first biometric authentication check, including:

capturing first biometric data using the one or more biometric sensors; after capturing the first biometric data:

in accordance with a determination that the first biometric data satisfies biometric authentication criteria, transitioning the device from the locked state to an unlocked state; and

in accordance with a determination that the first biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state;

after the performing the first biometric authentication check, detecting, via the device, a request to perform a respective operation without receiving further authentication information from the user; and

in response to detecting the request to perform the respective operation:

in accordance with a determination that the respective operation does not require authentication, performing the respective operation;

in accordance with a determination that the respective operation requires authentication and that the device is in the unlocked state, performing the respective operation; and

in accordance with a determination that the respective operation requires authentication and that the device is in the locked state:

capturing second biometric data using the one or more biometric sensors without an explicit input from the user requesting a second biometric authentication check; and

after capturing the second biometric data, performing the second biometric authentication check, including:

in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, performing the respective operation; and

in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, forgoing performance of the respective operation.

251. An electronic device, comprising:

one or more biometric sensors;

a display;

means for while the electronic device is in a locked state, detecting a condition that is associated with performing a biometric authentication check using a biometric sensor without an explicit input from the user requesting biometric authentication; and

means for in response to detecting the condition, performing a first biometric authentication check, including:

means for capturing first biometric data using the one or more biometric sensors;

means for after capturing the first biometric data:

means for in accordance with a determination that the first biometric data satisfies biometric authentication criteria, transitioning the device from the locked state to an unlocked state; and

means for in accordance with a determination that the first biometric data does not satisfy the biometric authentication criteria, maintaining the device in the locked state;

means for after the performing the first biometric authentication check, detecting, via the device, a request to perform a respective operation without receiving further authentication information from the user; and

means for in response to detecting the request to perform the respective operation:

means for in accordance with a determination that the respective operation does not require authentication, performing the respective operation;

means for in accordance with a determination that the respective operation requires authentication and that the device is in the unlocked state, performing the respective operation; and

means for in accordance with a determination that the respective operation requires authentication and that the device is in the locked state:

means for capturing second biometric data using the one or more biometric sensors without an explicit input from the user requesting a second biometric authentication check; and

means for after capturing the second biometric data, performing the second biometric authentication check, including:

means for in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, performing the respective operation; and

means for in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, forgoing performance of the respective operation.

252. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 226-248.

253. An electronic device, comprising:

one or more biometric devices;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 226-248.

254. An electronic device, comprising:

one or more biometric devices;

a display; and

means for performing the method of any of claims 226-248.

255. A method, comprising:

at an electronic device with a display, a button, and one or more biometric sensors separate from the button:

while the electronic device is in a first state in which a respective function of the device is disabled, detecting one or more activations of the button; and

in response to detecting the one or more activations of the button:

capturing, with the one or more biometric sensors that are separate from the button, biometric data;

in accordance with a determination that the biometric data satisfies biometric authentication criteria, transitioning the electronic device to a second state in which the respective function of the device is enabled; and

in accordance with a determination that the biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state and displaying, on the display, an indication that biometric authentication has failed.

256. The method of claim 255, wherein the one or more biometric sensors include a facial recognition sensor and the biometric data corresponds to at least a portion of a face.

257. The method of any of claims 255-256, wherein:

the respective function of the electronic device is participation in a transaction, the electronic device is not enabled to participate in the transaction when in the first state, and the electronic device is enabled to participate in the transaction when in the second state.

258. The method of claim 257, wherein participation in the transaction includes transmission of secured data from the electronic device.

259. The method of claim 257, wherein:

information enabling the device to participate in the transaction is securely stored in a secure element;

when the device is in the first state, the information enabling the device to participate in the transaction is not accessible at the device outside of the secure element; and

when the device is in the second state the information enabling the device to participate in the transaction is temporarily made accessible at the device outside of the secure element by the secure element.

260. The method of any of claims 255-258, wherein:

the one or more biometric sensors include a camera, and

capturing biometric data includes capturing the biometric data using the camera.

261. The method of any of claims 255-260, wherein the one or more activations of the button include a double press of the button.

262. The method of any of claims 255-261, wherein the button has a fixed location relative to a display of the electronic device.

263. The method of any of claims 255-262, wherein the button is a mechanical button.

264. The method of any of claims 255-262, wherein the button is a solid-state button.

265. The method of any of claims 255-264, further comprising:

prior to detecting the one or more activations of the button, outputting a prompt to provide the one or more activations of the button.

266. The method of claim 265, wherein the prompt is displayed on the display of the electronic device, and wherein outputting the prompt to a user to provide the one or more activations of the button includes emphasizing the prompt relative to one or more elements displayed on the display of the electronic device.

267. The method of any of claims 255-266, further comprising:

in response to detecting the one or more activations of the button:

displaying a biometric authentication interface including a representation of a user credential that is restricted from being used without proper biometric authentication.

268. The method of claim 267, including:

prior to detecting the one or more activations of the button, displaying, on the display, the prompt to provide the one or more activations of the button at a first position in the biometric authentication interface; and

after displaying the prompt, moving the representation of the user credential from a second position on the display to the first position on the display.

269. The method of claim 268, wherein moving the representation of the user credential from a second position to the first position includes displaying a biometric authentication glyph at a portion of the display that was occupied by the user credential when the user credential was displayed at the second position.

270. The method of any of claims 255-269, further comprising:

after transitioning the electronic device to the second state:

maintaining the device in the second state for a first predetermined period of time; and

after the first predetermined period of time has elapsed, transitioning the electronic device from the second state to the first state.

271. The method of any of claims 255-270, wherein the one or more activations of the button are detected while a first application is active on the electronic device, the method further comprising:

while the device is in the second state, detecting a user input corresponding to a request to exit the first application; and

in response to detecting the user input corresponding to a request to exit the first application:

exiting the first application; and

transitioning to the first state.

272. The method of any of claims 255-271 , wherein capturing, with the one or more biometric sensors, biometric data includes activating the one or more biometric sensors for a second predetermined period of time.

273. The method of any of claims 255-272, further comprising:

further in accordance with the determination that the biometric data does not satisfy the biometric authentication criteria, displaying an alternative authentication affordance.

274. The method of claim 273, further comprising:

after determining that the biometric data does not satisfy the biometric authentication criteria, detecting selection of the alternative authentication affordance; and

in response to detecting selection of the alternative authentication affordance, displaying, on the display, an alternative authentication interface.

275. The method of claim 274, wherein the biometric data are first biometric data, the method further comprising:

in response to detecting selection of the alternative authentication affordance:

capturing, with the one or more biometric sensors, second biometric data; in accordance with a determination that the second biometric data satisfies the biometric authentication criteria, transitioning the electronic device to the second state; and in accordance with a determination that the second biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state and displaying the alternative authentication interface on the display.

276. The method of any of claims 273-275, wherein:

the biometric data are first biometric data, and

the method includes, after determining that the first biometric data does not satisfy the biometric authentication criteria:

detecting a respective user input that corresponds to a request to retry biometric authentication; and

in response to detecting the user input that corresponds to the request to retry biometric authentication:

capturing, with the one or more biometric sensors, third biometric data; in accordance with a determination that the third biometric data satisfies the biometric authentication criteria, transitioning the electronic device to the second state in which the respective function of the device is enabled; and

in accordance with a determination that the third biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state.

277. The method of claim 276, wherein the user input that corresponds to the request to retry biometric authentication includes one or more activations of the button.

278. The method of any of claims 276-277, wherein the user input that corresponds to the request to retry biometric authentication includes movement of the electronic device.

279. The method of any of claims 255-278, further comprising:

detecting another one or more activations of the button;

in accordance with a determination that biometric capture criteria is met, capturing, with the one or more biometric sensors that are separate from the button, second biometric data; and

in accordance with a determination that biometric capture criteria is not met, forgoing capturing second biometric data.

280. The method of any of claims 265-268, wherein outputting the prompt occurs in response to detecting an external signal of a predetermined type.

281. The method of any of claims 265-268and 280, wherein outputting the prompt includes displaying an educational interface including a prompting element adjacent to the button.

282. The method of claim 281, further comprising:

prior to outputting the prompt, displaying a tutorial interface including an affordance, wherein outputting the prompt occurs in response to selection of the affordance.

283. The method of claim 282, wherein detecting the one or more activations of the button occurs while displaying the tutorial interface.

284. The method of any of claims 255-283, wherein the respective function of the device is a function to provide information associated with an action via a short range communication radio of the electronic device.

285. The method of any of claims 255-284, wherein the one or more activations of the button occur at least partly while a display of the device is off or displaying a user interface that is not related to payment.

286. The method of any of claims 255-279, further comprising:

prior to detecting the one or more activations of the button:

detecting activation of an affordance of a first application, and in response to detecting the activation of the affordance of the first application, providing information associated with an action from the first application to a second application; and

after transitioning the electronic device to the second state in which the respective function of the device is enabled, performing, using the respective function of the electronic device, the action based on the information.

287. The method of claim 286, further comprising:

in response to detecting the selection of the affordance of the first application, concurrently displaying on the display:

at least a portion of the information associated with the action at a first location; and

a second prompt to provide the one or more activations of the button at a second location, wherein the second location is closer to the button than the first location

288. The method of any of claims 255-279, further comprising:

receiving, from a second device, a request to proceed with an action, wherein the request includes information associated with one or more options selected at the second device; and

after transitioning the electronic device to the second state in which the respective function of the device is enabled, performing, using the respective function of the device, the action based on the information.

289. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display, a button, and one or more biometric sensors separate from the button, the one or more programs including instructions for:

while the electronic device is in a first state in which a respective function of the device is disabled, detecting one or more activations of the button; and

in response to detecting the one or more activations of the button:

capturing, with the one or more biometric sensors that are separate from the button, biometric data;

in accordance with a determination that the biometric data satisfies biometric authentication criteria, transitioning the electronic device to a second state in which the respective function of the device is enabled; and

in accordance with a determination that the biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state and displaying, on the display, an indication that biometric authentication has failed.

An electronic device, comprising:

a display;

a button;

one or more biometric sensors separate from the button;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

while the electronic device is in a first state in which a respective function of the device is disabled, detecting one or more activations of the button; and

in response to detecting the one or more activations of the button:

capturing, with the one or more biometric sensors that are separate from the button, biometric data;

in accordance with a determination that the biometric data satisfies biometric authentication criteria, transitioning the electronic device to a second state in which the respective function of the device is enabled; and

in accordance with a determination that the biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state and displaying, on the display, an indication that biometric authentication has failed.

291. An electronic device, comprising:

a display;

a button;

one or more biometric sensors separate from the button;

means for while the electronic device is in a first state in which a respective function of the device is disabled, detecting one or more activations of the button; and

means for in response to detecting the one or more activations of the button:

means for capturing, with the one or more biometric sensors that are separate from the button, biometric data;

means for in accordance with a determination that the biometric data satisfies biometric authentication criteria, transitioning the electronic device to a second state in which the respective function of the device is enabled; and

means for in accordance with a determination that the biometric data does not satisfy the biometric authentication criteria, maintaining the electronic device in the first state and displaying, on the display, an indication that biometric authentication has failed.

292. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display, a button, and one or more biometric sensors separate from the button, the one or more programs including instructions for performing the method of any of claims 255-288.

293. An electronic device, comprising:

a display;

a button;

one or more biometric sensors separate from the button;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 255-288.

294. An electronic device, comprising:

a display;

a button;

one or more biometric sensors separate from the button; and

means for performing the method of any of claims 255-288.

295. A method, comprising:

at an electronic device having one or more biometric sensors and a display:

detecting a request to perform a respective operation that requires authentication; and

in response to detecting the request to perform the respective operation that requires authentication:

in accordance with a determination that the device is unlocked, performing the respective operation; and

in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication.

296. The method of claim 295, including, in response to detecting the request to perform the respective operation that requires authentication, in accordance with a determination that the device is locked and the first form of biometric authentication is not available for use, displaying one or more affordances for using the second form of authentication.

297. The method of claim 296, wherein the first form of authentication is not available for use because it has been disabled.

298. The method of claim 296, wherein the first form of authentication is not available for use because operation of the one or more biometric sensors is limited by current

environmental and/or device conditions that reduce the ability of the one or more biometric sensors to operate within predefined parameters.

299. The method of any of claims 295-298 including:

while displaying the authentication indicator for the first form of authentication without displaying affordances for using the second form of authentication, processing respective data from the one or more biometric sensors; and

after processing the respective data from the one or more biometric sensors:

in accordance with a determination that the respective data from the one or more biometric sensors is consistent with biometric information that is authorized to perform the respective operation, performing the respective operation; and

in accordance with a determination that the respective data is not consistent with biometric information that is authorized to perform the respective operation, displaying one or more affordances for using the second form of authentication that were not displayed prior to processing the respective data from the one or more biometric sensors.

300. The method of claim 299, wherein at least a portion of the respective data from the one or more biometric sensors, that is processed while displaying the biometric authentication indicator for the first form of biometric authentication without displaying one or more affordances for using the second form of authentication, was obtained by the one or more biometric sensors prior to displaying the authentication status indicator for the first form of authentication.

301. The method of any of claims 299-300, wherein at least a portion of the respective data from the one or more biometric sensors, that is processed while displaying the biometric authentication indicator for the first form of biometric authentication without displaying one or more affordances for using the second form of authentication, was obtained by the one or more biometric sensors after displaying the authentication indicator for the first form of authentication.

302. The method of any of claims 299-301 , wherein displaying one or more affordances for using the second form of authentication that were not displayed prior to processing the respective data from the one or more biometric sensors includes:

in accordance with a determination that a biometric feature that corresponds to the first form of authentication is detected by the one or more biometric sensors, displaying the one or more affordances for using the second form of authentication after a first time period has elapsed; and

in accordance with a determination that no biometric feature that corresponds to the first form of authentication is detected by the one or more biometric sensors, displaying the one or more affordances for using the second form of authentication after a second time period has elapsed, wherein the second time period is different from the first time period.

303. The method of any of claims 299-302, wherein displaying one or more affordances for using the second form of authentication that were not displayed prior to processing the respective data from the one or more biometric sensors includes:

in accordance with a determination that a biometric feature that can be used in the first form of authentication but that is not consistent with authorized biometric features has been detected, displaying the user interface for the second form of authentication

concurrently with respective instructions to provide one or more inputs to authenticate with the second form of authentication; and

in accordance with a determination that no biometric feature that corresponds to the first form of authentication has been detected by the one or more biometric sensors, displaying the user interface for the second form of authentication without displaying the respective instructions to provide one or more inputs to authenticate with the second form of authentication.

304. The method of any of claims 295-303, wherein:

the request to perform a respective operation includes a home input; and

the respective operation includes displaying a home screen that includes a plurality of application icons for opening different applications.

305. The method of any of claims 295-303, wherein:

the request to perform a respective operation includes selection of a notification; and the respective operation includes displaying an application user interface for an application that corresponds to the notification.

306. The method of any of claims 295-305, wherein the authentication indicator includes information indicating that the device is attempting to use first form of authentication.

307. The method of any of claims 295-306, wherein the authentication indicator includes information a progress of an attempt at the first form of authentication.

308. The method of any of claims 295-307, including, after displaying one or more affordances for using the second form of authentication that were not displayed prior to processing the respective data from the one or more biometric sensors:

in accordance with a determination that the request to perform the respective operation includes a home input, waiting for additional input for a first delay time period before ceasing to display the one or more affordances for using the second form of authentication; and

in accordance with a determination that the request to perform the respective operation includes selection of a notification, waiting for additional input for a second delay time period before ceasing to display the one or more affordances for using the second form of authentication, wherein the second delay time period is different from the first delay time period.

309. The method of any of claims 295-308, wherein displaying one or more affordances for using the second form of authentication that were not displayed prior to processing the respective data from the one or more biometric sensors includes:

in accordance with a determination that the request to perform the respective operation includes a home input, displaying a plurality of character entry keys for entering a sequence of characters for authentication; and

in accordance with a determination that the request to perform the respective operation includes selection of a notification, displaying a passcode affordance that, when activated causes display of a plurality of character entry keys for entering a sequence of characters for authentication.

310. The method of claim 308, wherein the passcode affordance is restricted from activation in response to tap inputs and is responsive to one or more other types of inputs that include additional input requirements beyond a touch input.

31 1. The method of any of claims 295-309, including:

while the device is locked and a first form of authentication is available for use attempting biometric authentication using the first form of authentication; and

while attempting the biometric authentication using the first form of authentication displaying a progress indicator that changes appearance to indicate progress toward biometric authentication using the first form of authentication.

312. The method of claim 310, including, after attempting the biometric authentication using the first form of authentication:

in accordance with a determination that the biometric authentication with the first form of authentication is successful updating the progress indicator in a first manner to indicate the successful authentication with the first form of authentication; and

in accordance with a determination that the biometric authentication with the first form of authentication detects a biometric feature that can be used in the first form of authentication but that is not consistent with authorized biometric features, updating the progress indicator in a second manner to indicate unsuccessful authentication, wherein the second manner of updating the progress indicator is different from the first manner of updating the progress indicator.

313. The method of claim 311 , including, after attempting the biometric authentication using the first form of authentication:

in accordance with a determination that the biometric authentication with the first form of authentication does not detect a biometric feature that can be used in the first form of authentication, updating the progress indicator in a third manner that is different from the first manner and the second manner.

314. The method of any of claims 31 1-313, including, after attempting the biometric authentication using the first form of authentication:

in accordance with a determination that the biometric authentication with the first form of authentication detects a biometric feature that can be used in the first form of authentication but that is not consistent with authorized biometric features, generating a first tactile output that indicates an authentication failure.

315. The method of any of claims 31 1-314, including, after attempting the biometric authentication using the first form of authentication:

in accordance with a determination that the biometric authentication with the first form of authentication is successful, generating a second tactile output that indicates an authentication success.

316. The method of any of claims 31 1-315, including, after attempting the biometric authentication using the first form of authentication:

in accordance with a determination that the biometric authentication with the first form of authentication does not detect a biometric feature that can be used in the first form of authentication, displaying a graphical indication that a successful authentication has not occurred without generating a tactile output.

317. The method of any of claims 295-316, including, after attempting the biometric authentication using the first form of authentication for a first time:

displaying a user interface for the second form of authentication that includes a plurality of character entry keys for entering a sequence of characters for authentication; while displaying the user interface for the second form of authentication, attempting the biometric authentication using the first form of authentication for a second time;

in accordance with a determination that the biometric authentication with the first form of authentication is successful, performing the respective operation;

in accordance with a determination that the biometric authentication with the first form of authentication detects a biometric feature that can be used in the first form of authentication but that is not consistent with authorized biometric features before receiving input entering less than a threshold number of characters via one or more of the plurality of character entry keys, forgoing performing the respective operation and generating a first tactile output that indicates an authentication failure displaying a graphical indication that a successful authentication has not occurred); and

in accordance with a determination that the biometric authentication with the first form of authentication detects a biometric feature that can be used in the first form of authentication but that is not consistent with authorized biometric features after receiving input entering at least the threshold number of characters via one or more of the plurality of character entry keys, forgoing performing the respective operation and displaying a graphical indication that a successful authentication has not occurred without generating a tactile output.

318. The method of any of claims 295-317, including:

while the device is in a locked state in which the device is not authorized to perform the respective operation, displaying a first graphical indication that indicates that the device is in the locked state; and

while the device is in an unlocked state in which the device is authorized to perform the respective operation, displaying a second graphical indication that indicates that the device is in the unlocked state in place of the first graphical indication.

319. The method of claim 318, including:

while the device is attempting the first form of authentication, replacing the first graphical indication with a progress indicator; and

after completing an attempt at the first form of authentication:

in accordance with a determination that the authentication was unsuccessful, replacing the progress indicator with the first graphical indication; and

in accordance with a determination that the authentication was successful, replacing the progress indicator with the second graphical indication.

320. The method of any of claims 318-319, wherein:

the first graphical indication and the second graphical indication are displayed at a respective location in the user interface; and

the method includes:

detecting a first input at a location that corresponds to the respective location in the user interface; and

in response to detecting the first input at the location that corresponds to the respective location in the user interface, in accordance with a determination that the device is in a locked state, attempting the first form of authentication.

321. The method of any of claims 318-320, wherein:

the first graphical indication and the second graphical indication are displayed at a respective location in the user interface; and

the method includes:

detecting a second input at a location that corresponds to the respective location in the user interface; and

in response to detecting the second input at the location that corresponds to the respective location in the user interface, in accordance with a determination that the device is in an unlocked state, transitioning the device from the unlocked state to the locked state.

322. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for:

detecting a request to perform a respective operation that requires authentication; and in response to detecting the request to perform the respective operation that requires authentication:

in accordance with a determination that the device is unlocked, performing the respective operation; and

in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication.

323. An electronic device, comprising:

one or more biometric sensors;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

detecting a request to perform a respective operation that requires authentication; and

in response to detecting the request to perform the respective operation that requires authentication:

in accordance with a determination that the device is unlocked, performing the respective operation; and

in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication.

324. An electronic device, comprising:

one or more biometric sensors;

a display;

means for detecting a request to perform a respective operation that requires authentication; and

means for in response to detecting the request to perform the respective operation that requires authentication:

means for in accordance with a determination that the device is unlocked, performing the respective operation; and

means for in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication.

325. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors and a display, the one or more programs including instructions for performing the method of any of claims 295-321.

326. An electronic device, comprising:

one or more biometric devices;

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 295-321.

327. An electronic device, comprising:

one or more biometric devices;

a display; and

means for performing the method of any of claims 295-321.

328. A method, comprising:

at an electronic device with one or more biometric sensors:

receiving a first request to perform a respective operation that requires authentication; in response to receiving the first request to perform the respective operation:

using the one or more biometric sensors to determine whether biometric authentication criteria are met, wherein the biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the respective operation is detected by the biometric sensors;

in accordance with a determination that the biometric authentication criteria are met, performing the respective operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the respective operation;

subsequent to the determination that the biometric authentication criteria were not met in response to receiving the first request, receiving a second request to perform the respective operation; and

in response to receiving the second request to perform the respective operation:

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting the presence of a biometric feature of the respective type, using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request; and

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors detecting a biometric feature of the respective type that does not correspond to the authorized biometric feature, forgoing using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request.

329. The method of claim 328, further comprising, subsequent to the determination that the biometric authentication criteria were not met in response to receiving the first request: receiving a third request to perform the respective operation, wherein the third request is a different type of request from the first request and the second request; and

in response to receiving the third request to perform the respective operation, using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the third request.

330. The method of any of claims 328-329, wherein the device further includes a display, the method further comprising:

in response to receiving the first request to perform the respective operation and in accordance with the determination that the biometric authentication criteria are not met, forgoing displaying, on the display, an indication to re-attempt authentication using the one or more biometric sensors.

331. The method of any of claims 328-330, wherein the determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting the presence of a biometric feature of the respective type is a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting, for at least a predetermined time, the presence of a biometric feature of the respective type.

332. The method of any of claims 328-331, further comprising:

in response to receiving the second request to perform the respective operation:

in accordance with a determination that biometric authentication is not available, prompting for an alternative form of authentication.

The method of any of claims 328-332, wherein:

the device imposes a respective limit on the number of unsuccessful biometric authentication attempts that are permitted before an alternative form of authentication is required; and

the device ceases to use the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to requests to perform the respective operation after a predetermined number of requests to perform the respective operation have resulted in failed biometric authentication attempts, wherein the predefined number of requests is less than the respective limit.

334. The method of any of claims 328-333, wherein the first request is also a request to perform an operation that does not require biometric authentication, the method further comprising:

in response to receiving the first request, performing the operation that does not require biometric authentication.

335. The method of any of claims 328-334, wherein the first request is a request to open a webpage.

336. The method of any of claims 328-335, wherein using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request occurs automatically in response to receiving the second request to perform the respective operation.

337. The method of any of claims 328-336, wherein the one or more biometric sensors are contactless biometric sensors configured to perform biometric authentication without physical contact from the user.

338. The method of any of claims 328-337, further comprising:

in response to the second request and in accordance with a determination that the biometric authentication criteria are met in response to the second request, performing the respective operation.

339. The method of any of claims 328-338, wherein the respective operation is autofilling one or more fillable fields with credential information.

340. The method of any of claims 328-338, wherein the respective operation is providing access to restricted content.

341. The method of any of claims 328-338, wherein the respective operation is transitioning the electronic device from a locked state to an unlocked state.

342. The method of any of claims 328-338, wherein the respective operation is enabling the electronic device to participate in a transaction.

343. The method of any of claims 328-338, wherein the device further includes a display, further comprising:

while using the one or more biometric sensors to determine whether biometric authentication criteria are met, displaying, on the display, an indication that biometric authentication is being performed.

344. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors, the one or more programs including instructions for performing the method of any of claims 328 - 343.

345. An electronic device, comprising:

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 328 - 343.

346. An electronic device, comprising:

one or more biometric sensors; and

means for performing the method of any of claims 328 - 343.

347. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors, the one or more programs including instructions for:

receiving a first request to perform a respective operation that requires authentication; in response to receiving the first request to perform the respective operation:

using the one or more biometric sensors to determine whether biometric authentication criteria are met, wherein the biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the respective operation is detected by the biometric sensors;

in accordance with a determination that the biometric authentication criteria are met, performing the respective operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the respective operation;

subsequent to the determination that the biometric authentication criteria were not met in response to receiving the first request, receiving a second request to perform the respective operation; and

in response to receiving the second request to perform the respective operation:

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting the presence of a biometric feature of the respective type, using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request; and

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors detecting a biometric feature of the respective type that does not correspond to the authorized biometric feature, forgoing using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request.

348. An electronic device, comprising:

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

receiving a first request to perform a respective operation that requires authentication; in response to receiving the first request to perform the respective operation:

using the one or more biometric sensors to determine whether biometric authentication criteria are met, wherein the biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the respective operation is detected by the biometric sensors;

in accordance with a determination that the biometric authentication criteria are met, performing the respective operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the respective operation;

subsequent to the determination that the biometric authentication criteria were not met in response to receiving the first request, receiving a second request to perform the respective operation; and

in response to receiving the second request to perform the respective operation:

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting the presence of a biometric feature of the respective type, using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request; and

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors detecting a biometric feature of the respective type that does not correspond to the authorized biometric feature, forgoing using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request.

349. An electronic device, comprising:

one or more biometric sensors;

means for receiving a first request to perform a respective operation that requires authentication;

means, responsive to receiving the first request to perform the respective operation, for:

using the one or more biometric sensors to determine whether biometric authentication criteria are met, wherein the biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the respective operation is detected by the biometric sensors;

in accordance with a determination that the biometric authentication criteria are met, performing the respective operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the respective operation;

means, subsequent to the determination that the biometric authentication criteria were not met in response to receiving the first request, for receiving a second request to perform the respective operation; and

means, responsive to receiving the second request to perform the respective operation, for:

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors not detecting the presence of a biometric feature of the respective type, using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request; and

in accordance with a determination that the biometric authentication criteria were not met in response to the first request due to the one or more biometric sensors detecting a biometric feature of the respective type that does not correspond to the authorized biometric feature, forgoing using the one or more biometric sensors to determine whether the biometric authentication criteria are met in response to the second request.

350. A method, comprising:

at an electronic device with one or more biometric sensors:

receiving a first request to perform a first operation that requires authentication;

in response to receiving the first request to perform the first operation:

using the one or more biometric sensors to determine whether first biometric authentication criteria are met, wherein the first biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the first operation is detected by the biometric sensors;

in accordance with a determination that the first biometric authentication criteria are met, performing the first operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the first operation;

after performing the first operation, receiving a second request to perform a second operation that requires authentication; and

in response to receiving the second request:

in accordance with a determination that re-authentication criteria have been met, using the one or more biometric sensors to determine whether second biometric authentication criteria are met, wherein the second biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the second operation is detected by the biometric sensors; and

in accordance with a determination that the re-authentication criteria have not been met, performing the second operation without performing biometric authentication and forgoing using the one or more biometric sensors to determine whether the second biometric authentication criteria are met.

351. The method of claim 350, wherein the first operation and the second operation occur while the electronic device is in an unlocked state.

352. The method of any of claims 350-351 , further comprising:

in response to receiving the second request and in accordance with a determination that the second biometric authentication criteria are not met, forgoing performing the second operation.

353. The method of any of claims 350-352, wherein performing the second operation occurs regardless of whether a biometric feature of the respective type that is authorized to perform the second operation is detected by the biometric sensors in response to receiving the second request.

354. The method of any of claims 350-353, wherein:

the first operation is logging on a first web domain; and

the second operation is logging on a second web domain corresponding to the first web domain.

355. The method of any of claims 350-354, wherein the re-authentication criteria include a requirement that the device has been in a locked state between when the first operation is performed and when the second request is received.

356. The method of any of claims 350-355, wherein:

the first operation is performed in an application; and

the re-authentication criteria includes a requirement that the application has been closed between when the first operation is performed and when the second request is received.

357. The method of any of claims 350-356, wherein the re-authentication criteria includes a requirement that the application has been in an inactive state for more than a threshold amount of time between when the first operation is performed and when the second request is received.

358. The method of any of claims 350-357, wherein using the one or more biometric sensors to determine whether the second biometric authentication criteria are met occurs

automatically in response to receiving the second request to perform the second operation that requires authentication.

359. The method of any of claims 350-358, wherein the one or more biometric sensors are contactless biometric sensors configured to perform biometric authentication without physical contact from the user.

360. The method of any of claims 350-359, wherein the electronic device further includes a display, the method further comprising:

while using the one or more biometric sensors to determine whether first or second biometric authentication criteria are met, displaying, on the display, an indication that biometric authentication is being performed.

361. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors, the one or more programs including instructions for performing the method of any of claims 350 - 360.

362. An electronic device, comprising:

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 350 - 360.

363. An electronic device, comprising:

one or more biometric sensors; and

means for performing the method of any of claims 350 - 360.

364. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with one or more biometric sensors, the one or more programs including instructions for:

receiving a first request to perform a first operation that requires authentication; in response to receiving the first request to perform the first operation:

using the one or more biometric sensors to determine whether first biometric authentication criteria are met, wherein the first biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the first operation is detected by the biometric sensors;

in accordance with a determination that the first biometric authentication criteria are met, performing the first operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the first operation;

after performing the first operation, receiving a second request to perform a second operation that requires authentication; and

in response to receiving the second request:

in accordance with a determination that re-authentication criteria have been met, using the one or more biometric sensors to determine whether second biometric authentication criteria are met, wherein the second biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the second operation is detected by the biometric sensors; and

in accordance with a determination that the re-authentication criteria have not been met, performing the second operation without performing biometric authentication and forgoing using the one or more biometric sensors to determine whether the second biometric authentication criteria are met.

365. An electronic device, comprising:

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

receiving a first request to perform a first operation that requires authentication; in response to receiving the first request to perform the first operation:

using the one or more biometric sensors to determine whether first biometric authentication criteria are met, wherein the first biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the first operation is detected by the biometric sensors;

in accordance with a determination that the first biometric authentication criteria are met, performing the first operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the first operation;

after performing the first operation, receiving a second request to perform a second operation that requires authentication; and

in response to receiving the second request:

in accordance with a determination that re-authentication criteria have been met, using the one or more biometric sensors to determine whether second biometric authentication criteria are met, wherein the second biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the second operation is detected by the biometric sensors; and

in accordance with a determination that the re-authentication criteria have not been met, performing the second operation without performing biometric authentication and forgoing using the one or more biometric sensors to determine whether the second biometric authentication criteria are met.

366. An electronic device, comprising:

one or more biometric sensors;

means for receiving a first request to perform a first operation that requires authentication;

means, responsive to receiving the first request to perform the first operation, for: using the one or more biometric sensors to determine whether first biometric authentication criteria are met, wherein the first biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the first operation is detected by the biometric sensors;

in accordance with a determination that the first biometric authentication criteria are met, performing the first operation; and

in accordance with a determination that the biometric authentication criteria are not met, forgoing performing the first operation;

means, after performing the first operation, receiving a second request to perform a second operation that requires authentication, for; and

means, responsive to receiving the second request, for:

in accordance with a determination that re-authentication criteria have been met, using the one or more biometric sensors to determine whether second biometric authentication criteria are met, wherein the second biometric authentication criteria include a requirement that a biometric feature of a respective type that is authorized to perform the second operation is detected by the biometric sensors; and

in accordance with a determination that the re-authentication criteria have not been met, performing the second operation without performing biometric authentication and forgoing using the one or more biometric sensors to determine whether the second biometric authentication criteria are met.

367. A method, comprising:

at an electronic device with a display:

receiving a request to display a first portion of respective content; and

in response to the request to display the first portion of the respective content:

displaying, on the display, at least the first portion of the respective content, the respective content including an element associated with an authentication operation;

in accordance with a determination that the element associated with the authentication operation meets visibility criteria, initiating biometric authentication; and in accordance with a determination that the element associated with the authentication operation does not meet the visibility criteria, forgoing initiating biometric authentication.

368. The method of claim 367, wherein the first portion of the respective content is displayed without displaying, on the display, a second portion of the respective content.

369. The method of any of claims 367-368, wherein biometric authentication occurs automatically in accordance with the determination that the element associated with the authentication operation meets visibility criteria.

370. The method of any of claims 367-369, further comprising:

while displaying the first portion of the respective content, detecting an input; and in response to detecting the input:

in accordance with a determination that the input causes the element associated with the authentication operation to meet the visibility criteria, initiating biometric authentication; and

in accordance with a determination that the input does not cause the element associated with the authentication operation to meet the visibility criteria, forgoing initiating biometric authentication.

371. The method of claim 370, wherein:

the input is a request to perform a zoom operation; and

the visibility criteria include a requirement that the element associated with the authentication operation has a size that is greater than a threshold size.

372. The method of claim 370, wherein:

the input is a request to perform a scroll operation and

the visibility criteria include a requirement that at least a predetermined amount of the element associated with the authentication operation is displayed on the display.

373. The method of claim 370, wherein:

the input is a request to perform a hidden interface region display operation; and the visibility criteria include a requirement that the element associated with the authentication operation is not designated for display in a hidden interface region.

374. The method of any of claims 367-373, wherein:

the electronic device further includes one or more biometric sensors; and

initiating biometric authentication includes initiating biometric authentication using the one or more biometric sensors.

375. The method of claim 374, wherein:

the one or more biometric sensors include one or more contactless biometric sensors configured to perform biometric authentication without physical contact from the user; and initiating biometric authentication occurs without receiving an explicit request to initiate biometric authentication.

376. The method of any of claims 374-375, wherein:

the one or more biometric sensors include one or more facial recognition sensors; and initiating biometric authentication includes using the one or more facial recognition sensors to determine whether facial authentication criteria have been met.

377. The method of claim 374, wherein:

the one or more biometric sensors include one or more fingerprint sensors; and initiating biometric authentication includes:

detecting a contact with the one or more fingerprint sensors; and determining whether the contact meets fingerprint authentication criteria .

378. The method of any of claims 367-377, wherein initiating biometric authentication includes displaying, on the display, a progress indicator indicating the status of a biometric authentication process.

379. The method of any of claims 367-378, wherein the element associated with an authentication operation is a fillable field, the method further comprising:

in response to initiating biometric authentication:

in accordance with a determination that biometric authentication criteria have been met, autofilling the fillable field with credential information; and

in accordance with a determination that biometric authentication criteria have not been met, forgoing autofilling the fillable field with credential information.

380. The method of any of claims 367-379, further comprising:

in response to initiating biometric authentication:

in accordance with a determination that biometric authentication criteria have been met, providing access to restricted content; and

in accordance with a determination that biometric authentication criteria have not been met, forgoing providing access to restricted content.

381. The method of claim 379, wherein the credential information includes log-in information.

382. The method of any of claims 379 and 381 , wherein the credential information includes information associated with a payment account information.

383. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display, the one or more programs including instructions for performing the method of any of claims 367 - 382.

384. An electronic device, comprising:

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 367 - 382.

385. An electronic device, comprising:

a display; and

means for performing the method of any of claims 367 - 382.

386. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display, the one or more programs including instructions for:

receiving a request to display a first portion of respective content; and

in response to the request to display the first portion of the respective content: displaying, on the display, at least the first portion of the respective content, the respective content including an element associated with an authentication operation;

in accordance with a determination that the element associated with the authentication operation meets visibility criteria, initiating biometric authentication; and in accordance with a determination that the element associated with the authentication operation does not meet the visibility criteria, forgoing initiating biometric authentication.

387. An electronic device, comprising:

a display;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

receiving a request to display a first portion of respective content; and

in response to the request to display the first portion of the respective content: displaying, on the display, at least the first portion of the respective content, the respective content including an element associated with an authentication operation;

in accordance with a determination that the element associated with the authentication operation meets visibility criteria, initiating biometric authentication; and in accordance with a determination that the element associated with the authentication operation does not meet the visibility criteria, forgoing initiating biometric authentication.

388. An electronic device, comprising:

a display;

means for receiving a request to display a first portion of respective content; and means, responsive to the request to display the first portion of the respective content, for:

displaying, on the display, at least the first portion of the respective content, the respective content including an element associated with an authentication operation;

in accordance with a determination that the element associated with the authentication operation meets visibility criteria, initiating biometric authentication; and in accordance with a determination that the element associated with the authentication operation does not meet the visibility criteria, forgoing initiating biometric authentication.

389. A method, comprising:

at an electronic device with a display and one or more biometric sensors:

detecting a predefined operation corresponding to a credential submission user interface having a credential submission user interface element; and

in response to detecting the predefined operation:

in accordance with a determination that biometric authentication via the one or more biometric sensors is available, displaying, on the display, the credential submission user interface with a visual indication that presentation of a biometric feature that meets biometric authentication criteria to the one or more biometric sensors will cause credentials to be submitted via the credential submission user interface element.

390. The method of claim 389, further comprising:

in response to detecting the predefined operation and in accordance with a determination that biometric authentication via the one or more biometric sensors is not available, displaying, on the display, the credential submission user interface without displaying the visual indication.

391. The method of any of claims 389-390, further comprising:

further in response to detecting the predefined operation:

in accordance with the determination that biometric authentication via the one or more biometric sensors is not available, displaying, on the display, a credential submission affordance, wherein receiving an input corresponding to selection of the credential submission affordance causes credentials to be submitted via the credential submission user interface element; and

further in accordance with the determination that biometric authentication via the one or more biometric sensors is available, forgoing displaying, on the display, the credential submission affordance.

392. The method of any of claims 389-391 , further comprising:

while displaying the credential submission user interface:

detecting, via the one or more biometric sensors, a biometric feature of a respective type;

in response to detecting the biometric feature of the respective type:

in accordance with a determination that the biometric feature meets the biometric authentication criteria, submitting credentials via the credential submission user interface element; and

in accordance with a determination that the biometric feature does not satisfy biometric authentication criteria, forgoing submitting credentials via the credential submission user interface element.

393. The method of any of claims 389-392, wherein the credential submission user interface element includes one or more fillable fields.

394. The method of claim 393, wherein displaying the credential submission user interface includes displaying the credential submission user interface element prefilled with the credentials to be submitted via the credential submission user interface element.

395. The method of any of claims 393-394, further comprising:

receiving selection of a fillable field of the one or more fillable fields; and in response to receiving the selection of the fillable field, displaying, on the display, a character input interface.

396. The method of claim 395, further comprising:

receiving input corresponding to entry of one or more characters via the character input interface in the fillable field;

subsequent to receiving the input, receiving selection of a second credential submission affordance; and

in response to receiving the selection of the second credential submission affordance, submitting the one or more characters in the fillable field for credential verification.

397. The method of any of claims 393-396, wherein the visual indication that presentation of a biometric feature that meets biometric authentication criteria to the one or more biometric sensors will cause credentials to be submitted via the credential submission user interface element is displayed in a fillable field of the one or more fillable fields.

398. The method of any of claims 389-397, wherein the predefined operation is a request to display the credential submission interface on the display.

399. The method of any of claims 389-398, wherein the predefined operation is detected while displaying the credential submission interface and the predefined operation includes an input directed to a portion of the credential submission user interface.

400. The method of claim 395, further comprising:

in accordance with submission of the one or more characters in the fillable field for credential verification and in response to receiving the selection of the second credential submission affordance, providing a first result; and

in accordance with submission of credentials via the credential submission user interface element and in response to a determination that a biometric feature detected via the one or more biometric sensors meets the biometric authentication criteria, providing the first result.

401. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display and one or more biometric sensors, the one or more programs including instructions for performing the method of any of claims 389 - 400.

402. An electronic device, comprising:

a display;

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for performing the method of any of claims 389 - 400.

403. An electronic device, comprising:

a display;

one or more biometric sensors; and

means for performing the method of any of claims 389 - 400.

404. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of an electronic device with a display and one or more biometric sensors, the one or more programs including instructions for: detecting a predefined operation corresponding to a credential submission user interface having a credential submission user interface element; and

in response to detecting the predefined operation:

in accordance with a determination that biometric authentication via the one or more biometric sensors is available, displaying, on the display, the credential submission user interface with a visual indication that presentation of a biometric feature that meets biometric authentication criteria to the one or more biometric sensors will cause credentials to be submitted via the credential submission user interface element.

405. An electronic device, comprising:

a display;

one or more biometric sensors;

one or more processors; and

memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:

detecting a predefined operation corresponding to a credential submission user interface having a credential submission user interface element; and

in response to detecting the predefined operation:

in accordance with a determination that biometric authentication via the one or more biometric sensors is available, displaying, on the display, the credential submission user interface with a visual indication that presentation of a biometric feature that meets biometric authentication criteria to the one or more biometric sensors will cause credentials to be submitted via the credential submission user interface element.

406. An electronic device, comprising:

a display;

one or more biometric sensors;

means for detecting a predefined operation corresponding to a credential submission user interface having a credential submission user interface element; and

means, responsive to detecting the predefined operation, for:

in accordance with a determination that biometric authentication via the one or more biometric sensors is available, displaying, on the display, the credential submission user interface with a visual indication that presentation of a biometric feature that meets biometric authentication criteria to the one or more biometric sensors will cause credentials to be submitted via the credential submission user interface element.