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

May 3, 2021 11:33 AM in response to jollytomswagger

As a registered disabled Veteran-person with hearing loss and vision impairment, I had trouble with auto-settings, but experienced a bit of improvement from the latest upgrade after posting a complaint per: twitter. My issue is with uncontrollable auto-dimming and uncontrollable auto-volume warnings as a disabled client. Otherwise, I am happy with everything else about my iphone12pro. It helps me keep track of so much with all its "bells & whistles" for organizational purposes. Vocalizing the issue publicly is also to make mention of others who might have the same difficulty in relation to one's personal state-of-health. Thank you for having a means of passing along customer responses. Maintaining control over automation is a true concern for some of us over others. Personally, I just can't have power over sensory control settings taken from me - to remain satisfied. I hope work continues to improve all the time with apple products.

Jun 6, 2021 3:37 PM in response to hesham218

Same issue as all of you are reporting. One of you said the phone typically does this when the temps are about 90 degrees... (Most recent experience with the dark screen and overheating was in temps about 93)... Well, My BIG concern is I'm traveling to Egypt in 9 days -- Temps will always be above 90, sometimes over 100 in Luxor. I take all my pics on my phone. I will be heartbroken if I am not able to take pictures on my once-in-a-lifetime trip. Will talk to Best Buy tomorrow, but Apple didn't offer any advice except re-starting it (I tried that, and it didn't make any difference)... Can anyone give me assurance that I can take pics in Egypt's heat??? Any advice on things that have worked to prevent the overheating (I've got it in airplane mode and all apps closed), and the screen from darkening/?

Jun 7, 2021 3:09 PM in response to hesham218


Screen dims on it's own and does not respond to disable of this feature I have spent HOURS on the phone with customer support of this issue and zero resolution and customer support has closed the case over and over.

I saved and bought this size phone for vision problems and it randomly keeps dimming while in use for ZERO apparent reason to me making it unusable. I returned to apple product from samsung for THIS phone and SO DISAPPOINTED to get an expensive piece of unusable technology. It does this inside my home under day conditions without direct sunlight but becomes worst using it outside the home as I RARELY do. Maybe once a week? For google maps. I spend 1-2 hours with phone max per day usually INSIDE air conditioned home. And I am NOT using it in warm/hot conditions although I am in Texas. Today was 69 degrees. I did feedback from the link

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iPhone 12 screen brightness issue

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