How to make a face unlock again
Can I use my phone by face unlock?
iPhone XS Max, iOS 15
Question marked as
This iPhone User Guide describes setup and use of FaceID on supported models of iPhone:
Set up Face ID on iPhone - Apple Support
If FaceID has been disabled, you’ll need to follow this guidance:
If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support
If you unable to resolve a problem, you would be well advised to seek assistance directly from Apple Support:
You might also visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to test and assess your device: