A problem was detected with the TrueDepth camera. Face ID has been disabled.
I have an iPhone 12 and iPhone XR that both display this message on iOS 16.3. How to remove it. Both showed this message after cleaning the screen with alcohol briefly. It has probably somehow gotten into the phone, and I don't think Apple will fix it because the LCI has probably turned red. They are both long out of warranty
iPhone XR, iOS 16