iPhone 8 Plus Screen Auto Dimming

I purchased the new iPhone 8 Plus 256gb Gold and noticed that even with Auto-Brightness, Night Mode, True Tone and other relevant display settings turned off, that the screen was auto dimming whilst actively using the phone in different environments and light. I tried changing my auto lock setting to see if this helped but it did not. I even removed my tempered glass screen protector think it may be affecting the screen brightness, but this failed to resolve the issue. The iphone was restored twice but still no luck. I also noticed that upon restarting the phone the screen brightness would default to 0% and I would have to try and view the dim screen to access Control Centre to turn my brightness up again (frustrating and tedious). My iPhone 8 Plus was replaced and now I have my second iPhone 8 Plus doing exactly the same! I have even set this new iphone up as a new device to ensure that no issues/bugs were transferred from my back-up. I am wondering if anyone else has experienced these issues with the new iPhone 8 Plus or 8 as there is limited information reported online about this issue? I would be interested to hear from people as Apple have not had any reports of it either so are trying to ascertain what is going on. At present, I am just monitoring my iPhone and when this "dimming' issues occurs again I have to try and screen record it so Apple can see. Thanks 🙂

iPhone 8 Plus, iOS 11.0.3, 256gb Gold

Posted on Oct 18, 2017 11:31 PM

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Posted on Feb 3, 2019 6:36 AM

They hid the AUTO BRIGHTNESS. It’s in Settings/general/accessibility/display accommodations/scroll down to auto-brightness and turn off

84 replies

Dec 2, 2017 10:19 PM in response to .Matt.

Hi Matt, My saga with Apple still continues regarding this screen dimming issue. Apple told me last night on the phone they also have not heard of this issue so I have pointed them in the direction of these Apple Community conversations. Hopefully this will demonstrate to them that this issue exists as it still cannot be determined whether its software or hardware issue....either way they can't repair it so I still want my refund. I have purchased another model phone now as I refuse to continue to use a product that is faulty and Apple cannot repair. Keep us informed how it all goes.

Jan 22, 2018 6:17 AM in response to mrjosiahp

Apple's making us work for it. Now it's buried inside the Accessibility settings. To get there, select "General" in the Settings app, then "Accessibility." On the next page, tap on "Display Accommodations" and you'll see the toggle for "Auto-Brightness."



Why is Apple making it harder for users to disable auto-brightness in iOS? Who knows. Maybe they're trying to reduce the number of people who complain about horrible battery life on their iPhone, which would explain their note that settings caption that "Turning off auto-brightness may affect battery life." Still, I thought that was fairly obvious.

May 28, 2018 2:23 AM in response to kimmh72

Just wanted to report it’s now May 31, 2018 and the Dimming issue is an ongoing headache.


Presently have the iPhone 8 Plus, and it Dims sometimes without any commands from me. Have tried all the fixes Apple and everyone here recommends, but this issue persists.


I have a feeling this is a software issue and that enough of us have reported it so that Apple hopefully will find a fix with an update for the iOS.

Jul 4, 2018 9:59 PM in response to kimmh72

I’ve been having the same issue since I got my 8+ in October 2017. I figured they’d fix the issue with one of the updates, but I’m still having the problem. I contacted Verizon first and went through all the troubleshooting steps, but it was still happening. They told me to go to the Apple store for a replacement. I drive 2 hours to the closest Apple store and the phone was still dimming and getting warm. I get to the Apple store and of course I can’t get the phone to dim on command, so they wouldn’t replace my phone. I showed the Genius bar person this thread, to prove that I wasn’t just making this up. Still nothing... phone is still dimming as I type this.... I’m frustrated😒

Jul 26, 2018 3:43 PM in response to kimmh72

Same thing, iPhone 8. It’s been nearly a year and no fix, hundreds of us have this issue, I’d recommend keeping your phone usage down as much as you can I guess? The less you use it the less often it’ll heat up, and if it constantly heats up like that than the issue will get worse (at least that’s how it is for me) so the more often it’ll dim, and the last thing you’d want is to be trying to squint at a website or something trying to figure out whether that letter is a 5 or an S. Maybe someone at apple will see this and fix it, hopefully it’ll be fixed with the new update coming soon? good luck everyone!!

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iPhone 8 Plus Screen Auto Dimming

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