Face ID not working on iPhone after iOS 18 update

Updated iPhone 11 to latest IOS update 18 and Face ID not working.

turned off and on tried to reset face id but it won’t let me do a new id.

video and camera is working so don’t think it’s a camera issue


[Re-Titled by Moderator]

Posted on Sep 21, 2024 1:44 PM

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Posted on Sep 27, 2024 9:52 PM

ive tried everything and it doesnt even want to re do the set up. its so weird because it just randomly stopped working and prompted me for my passcode everytime. never had the issue ever. only about 2 days since ios18 update

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Sep 27, 2024 9:52 PM in response to SevTonks

ive tried everything and it doesnt even want to re do the set up. its so weird because it just randomly stopped working and prompted me for my passcode everytime. never had the issue ever. only about 2 days since ios18 update

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Nov 1, 2024 6:38 AM in response to SevTonks

Apple, when people say the Face ID is not working it means that it is disabled. It also means that it cannot be reset because the Face ID reset is greyed out which makes the toggle inoperable. So Apple get your act together and stop telling people to go to Face ID and reset. It is not the proper answer.

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Oct 12, 2024 1:56 AM in response to SevTonks

I had a similar issue with Face ID not working after updating to iOS 18. I thought my TrueDepth camera might be damaged however thats not possible as I just updated to IOS 18 and before it was working fine, but as said in this guide Fix Face ID Not Working on iPhone After iOS 18 Update, I ran a hardware test using the Check My Device app from the App Store. Luckily, the TrueDepth camera was working fine, which was a relief!


Turns out, the problem was with content restrictions. I had content and privacy restrictions enabled, which were blocking Face ID from working properly. Here’s how I fixed it:


  1. Go to Settings > Screen Time.
  2. Tap on Content & Privacy Restrictions.
  3. Enter your Screen Time passcode if prompted.
  4. Tap on Passcode Changes and set it to Allow.


After turning off the restriction, Face ID started working again. So, before diving into software or hardware fixes, I'd recommend checking your this settings first, if this is not your issue check other recommended solutions too


[Edited by Moderator]

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Sep 29, 2024 4:47 AM in response to SevTonks

I am having the same problem on my iPhone XS. This problem started approximately 2 days ago. I tried to reset the FaceID but device said "FaceID is not available". Then I restarted my iPhone, tried resetting FaceID again, managed to made the reset.


After a couple of minutes or hours, not important, FaceID stopped working again. Reset was not possible, again. Restarting device makes the reset possible, again.


When FaceID stopped working, I tried to take a selfie portrait with front camera, I found out it could not focus on my face. I think this is a software bug in the drivers or softwares that manage the true depth camera. If my true depth camera was broken or had hardware problems, it should not work after device reset.


I read many replies below this post, people are complaining about similar issues, I think this problem is not the FaceID problem, it is a software/driver related true depth camera problem of the front camera.


I do hope this issue is fixed in a near future.

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Nov 11, 2024 2:42 PM in response to Katana-San

Guess what happens when you take your iPhone 11 to a Apple Store Genius Bar after the face id stops working after 18.x update?


They try to sell you a) trade up to a newer model (14 or better) giving you $200 trade in

or b) want to sell you a new face id front camera for $169+tax.


This is AFTER explaining to them that everything was working fine just prior to update. I brought receipts - I had a diagnostic run for another issue 4 days prior.


So, for those for whom the Screen Time fix, suggested by a couple of people here, does NOT work, we are screwed. By Apple. Again.


Btw, my forward camera works just fine, but on the diagnostics (after the update) it comes up as fail.

The only fail here is Apple.

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Face ID not working on iPhone after iOS 18 update

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