Why is Face ID not setting up?
Make sure that your face isn't blocked Make sure that your eyes, nose, and mouth are fully visible to the TrueDepth camera. By default, Face ID doesn't work if anything is covering your mouth and nose. If you're wearing a face mask and have already set up Face ID with a mask,* make sure that your eyes aren't blocked.
How do I activate my Face ID?
To set up Face ID:
Can Face ID be repaired?
If damaged, Face ID can only be repaired by Apple, so work with care. Peel and separate the pull tab on the final adhesive strip, on the top edge of the upper battery cell.
Can water damage cause Face ID to not work?
Other problems with Face ID can result from damage to the TrueDepth camera system, including the dot projector. With water damage, we will often see the “unable to activate Face ID message” which prompts a flood illuminator transfer as described above.
Why has Face ID stopped working on iPhone?
Make sure your face isn't blocked Make sure your eyes, nose and mouth are fully visible to the TrueDepth camera. By default, Face ID doesn't work if anything is covering your mouth and nose. If you're wearing a face mask and have already set up Face ID with a Mask*, make sure your eyes aren't blocked.
Can I fix Face ID myself?
Apple has paired a couple of assemblies to the logic board, presumably for security purposes to ensure that Face ID can't be hacked. Therefore it is impossible for the do-it-yourself repairer to replace any of those three parts and still have Face ID work.
How do I reset my iPhone Face ID password?
Set or change the passcode
Does resetting Face ID delete everything?
Doing so will delete Face ID data, including mathematical representations of your face, from your device. If you choose to erase or reset your device using Find My or by erasing all content and settings, all Face ID data will be deleted.