iPhone screen dims in sunlight

When Auto Brightness is turned off, the phone screen dims in the sun. In the shade, it does not return to normal over time. To restore the original colors, you need to turn Auto Brightness on and off or reboot the phone.


Happens mostly when the phone's brightness is turned to maximum when there is no Auto Brightness turned on. Black colors seem to turn gray.


[Re-Titled by Moderator]


iPhone 13 Pro Max, iOS 16

Posted on Jun 6, 2023 3:26 AM

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Posted on Oct 6, 2023 6:28 AM

None of these are factors. It's a bug in the software somewhere. And it's very annoying. Auto brightness off, night shift off, and true tone off, and it still dims to like 50% brightness when I am in the sun.


Why won't you guys believe us that this is a bug in the software? We know how to work the phone. We know not to leave it in a hot car. No one said, hey, my phone is blazing hot and the screen dims. No... we go outside or get out of our cars, and the screen dims for no apparent reason.

32 replies

iPhone screen dims in sunlight

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