Face ID enabled please TrueDepth camera update please
iPhone X, iOS 15
Question marked as
Do the steps in this article,
If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support
if you have already updated the iPhone, and it still happens the iPhone will require service.
What to do next
1. Update your iPhone or iPad to the latest version of iOS or iPadOS.
2. If you still can't enroll your face or unlock your device with Face ID, take your device to an Apple Store or Apple Authorized Service Provider, or contact Apple Support about your iPhone or your iPad.
Good Luck!