Edit...
"iPhone 11 front portrait not working, face lock not working after updation: [...] those complaints came after the updation IOS 18 and I have iPhone 11. Restarted severel times resettled severel times but complaint not solved…. Need some assist"
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If you've come across this, yourself, then the question becomes: "Jost how many people have reported this to Apple?"
Report this as an Update Bug to Apple:
Do your Part: Inform Apple of your feedback of this issue. Include how you’ve troubleshot this, and your results. Apple wont get back to you directly, but the more feedback they receive from its users, the more likely they will know what needs to be fixed, and what their customers prefer in updates, and future macOS versions to come. Apple will know nothing of your issue, if you don't report it to them.
- Go Here: Feedback - macOS - Apple
- Select: "Bug Report" for the "Feedback Type"
- Select: "Software/Firmware Update" for the "Feedback Area"
- Comment: that this all began after installing an update. Include the URL of this thread.
- Proceed from there as necessary