Face ID does not work
After the latest update, face ID no longer works. All I can do is click start over
passwords do not always work, even though I have not changed them
APPLE Do Better
iPad, iPadOS 18
If Face ID isn't working for you, there is most likely something wrong with your TrueDepth camera. First, look at these two articles for help. If that doesn't fix the issue, then make an appointment at the Genius Bar to have your camera issue diagnosed.
If an alert says Face ID has an issue on your iPhone or iPad Pro - Apple Support
If Face ID isn't working on your iPhone or iPad Pro - Apple Support (AZ)
Make an appointment at the Genius Bar to have it diagnosed.
Genius Bar Reservation and Apple Support Options - Apple