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Lopp111
User level: Level 1 (4 points)

iPhone 15 Plus brightness increases automatically after iOS 27 update

On Iphone 15 plus After I upgraded to IOS 27 my brightness started to go up automatically, but in the settings the auto setting is off

Posted on Sep 19, 2026 10:26 AM

1 reply

Lawrence Finch
User level: Level 10 (244,490 points)

Sep 19, 2026 5:57 PM in response to Lopp111

Go to Settings/FaceID & Passcode, enter your passcode, and turn off Attention Aware features. When enabled this will dim the screen if you aren’t looking directly at it.


Also, change the auto-brightness on, then off again.

Originally posted at discussions.apple.com/thread/256360630