How to set up Face ID for apps on iPhone?
Here's how to set up Face ID for apps on iPhone: Open the Settings app. Select Face ID & Passcode. Enter your iPhone passcode. Select Other Apps. Green toggles show you which apps have Face ID enabled. A gray toggle means Face ID is disabled. Tap the toggle to enable Face ID for that app.
How do I add another person's face to Face ID?
To proceed, you'll have to tap Reset Face ID, which will delete the currently added faces. Next, set it up once using your face and, after that, tap Set Up an Alternate Appearance to add another person's face.
How do I use Face ID to make purchases?
Use Face ID to make purchases. You can use Face ID to authenticate purchases with Apple Pay and in the iTunes Store, App Store, and Book Store in Apple Books. To use Face ID with Apple Pay, make sure that Apple Pay is set up on your iPhone or iPad and turned on in Settings > Face ID & Passcode. Then follow these steps.
How do I turn off facial recognition on my iPhone?
If you don’t want Face ID to require that you look at iPhone with your eyes open, go to Settings > Accessibility, then turn off Require Attention for Face ID. This feature is automatically turned off if you turn on VoiceOver when you first set up iPhone. See Change Face ID and attention settings on iPhone.