16.5.1 seems flawed

With iOS 16.5 I was using my phone with FaceID today totally fine before update . I decided to do the update to 16.5.1 from 16.5. Moments before the update FaceID was working absolutely fine. Now 15 min later when phone restarted under 16.5.1 FaceID no longer works. My battery has 85% max capacity. Plenty healthy.


This is obviously a problem with the software upgrade.

iPhone 11 Pro

Posted on Jul 2, 2023 6:11 PM

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Posted on Jul 24, 2023 1:48 AM

I contacted Apple service online support. They told multiple hardware issues with my phone after executing some diagnosis software with screen sharing. Advised to visit apple service center. But I was 100% sure, it happened after software upgrade. I fixed it myself by reinstalling the same software (16.5.1) in recovery mode without loosing any data from it. We need to keep phone in recovery mode & reinstall software using itune app on windows PC or macbook. After that all my issues got resolved

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Jul 24, 2023 1:48 AM in response to gaviero62

I contacted Apple service online support. They told multiple hardware issues with my phone after executing some diagnosis software with screen sharing. Advised to visit apple service center. But I was 100% sure, it happened after software upgrade. I fixed it myself by reinstalling the same software (16.5.1) in recovery mode without loosing any data from it. We need to keep phone in recovery mode & reinstall software using itune app on windows PC or macbook. After that all my issues got resolved

Jul 19, 2023 5:32 AM in response to angelmgeo

No. I took it into Apple, they opened it up and then refused to repair it. They say it’s been exposed water, even though I never had taken my phone in the water. I would swear in the court on that fact it’s never been exposed to water like that. I’ve cleaned it per their advice once.


No update has ever done this on an iPhone as far as I know.



There should be a very clear warning that updating might render your phone useless.


It would be like going in a service checkup on your car and the dealer declaring your car useless and refusing to change the oil ever again.


[Edited by Moderator]

Jul 2, 2023 6:18 PM in response to gaviero62

If it was obviously a problem with a software update that has been installed several hundred million times you would see thousands of posts about it. As we clearly don’t, you will have to assume that it is something specific with your phone’s hardware or its configuration or settings.


The Related Article above your name on this page, that you were reading just before you posted here, has the guidance to troubleshoot your issue. If the Related Article doesn't answer your question please post back with more details about the issue and what steps you have tried to resolve it and another user in this user-to-user forum will try to help.

Jul 2, 2023 10:52 PM in response to Lawrence Finch

Are you an Apple engineer, are you representing Apple with your post? Apparently you are questioning what happened, and your tone is exceedlingly patronizing and *arrogant* of you.


I will make it very clear again:


Approximately at 17:15 Pacific Time, I unlocked my phone using FaceID, this was working with iOS 16.5.1


I then did a backup of my phone to my macbook pro computer.


I then had it do a download and install 16.5.1


At iPhone reboot FaceID declared it could not work.


I called an actual Apple employee at 17:50, who asked me to run first reboot phone. That reboot did *NOT* fix the issue. She then had me run a diagnostic, which she accessed. There was no obvious issue she could see with the hardware based on the remote diagnostics she ran.


On the phone she even suggested that the Apple personnel at the store could downgrade my iOS back to 16.5.


Sounds like if she was offering that as a possible solution that indeed there could be an issue with 16.5.1.


I am posting here so that Apple analytics will see that other people are having the issue. And that others can also see that there might not *actually* be anything wrong with their phone.


Your patronizing post does *nothing* to contribute to the discussion.


Not all bugs are 100% penetrating, some can be subtle bugs. Just as side effects of drugs can be rare, software bugs can *also* be rare.

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16.5.1 seems flawed

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