iPhone 12 screen brightness issue

My iphone 12 pro brightness is inconsistent. Its dims or gets darker screen when its at max and after i sleep my screen and wake it again, it gets much much brighter.

As if it was on 25%. Its seems to me like a lag or something of the sort happens to the screen. Any suggestions?


[Re-Titled by Moderator]

Posted on Nov 10, 2020 1:49 AM

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Posted on Dec 20, 2020 2:10 PM

Hi all!

Just check that you've switched off the Auto-Brightness feature (please don't confuse with Settings->Display & Brightness->Automatic !).

You need to switch off these features here:

1) Settings -> Accessibility -> Display & Text Size -> Auto-Brightness

2) Settings -> Accessibility -> Display & Text Size -> Reduce White Point

(frankly speaking, turn off all features in the Display & Text Size).


The iPhone 12 Pro's display is amazing in compare to iPhone 11 Pro.

Cheers 🙌

313 replies

Feb 15, 2021 8:50 AM in response to hesham218

This is for all the iPhone 12 Pro Max people with brightness issues.....IT IS AN OVERHEATING ISSUE......take your phone put it on your car AC vent, set AC to max cool-high fan and watch the brightness magically reset to MAX brightness.


i find this very annoying to have to deal with and why hasn’t APPLE told us that the phone dims in defense of over heating....also why hasn’t APPLE told us these phones run VERY hot??????

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iPhone 12 screen brightness issue

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