Weird behavior

MikeF808

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Oct 21, 2015
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Ever since updating to 13.6, my iPhone 11 Pro Max is automatically changing my brightness setting ever so slightly, even though auto brightness is turned off. Each time I unlock the phone, I have to toggle back up to full bright.
 

Just_Me_D

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Ever since updating to 13.6, my iPhone 11 Pro Max is automatically changing my brightness setting ever so slightly, even though auto brightness is turned off. Each time I unlock the phone, I have to toggle back up to full bright.

Have you rebooted your iPhone to see if that fixes the problem?
 

flyinion

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Maybe also try toggling it on and off again as well as the reboot. It might have somehow gotten switched on in the background and the UI is stuck and not reflecting it.
 

EdwinG

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Mar 10, 2012
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I’ve noticed that my screens brightness drops, when it is outdoors and it is hot.

I guess there is some heat management involved.

Might this be your case?