P: Lightroom iPad/iPhone Device overheats & brightness dims

There wouldn't be any Adobe apps anywhere if manufacturers started doing that. Lightroom isn't optimized anywhere. My iPad Pro overheats when using Lr, my Galaxy s22 ultra overheats when using Lr, Lr lags on my computer with i9 - 4070. It's just crazy given the price of their products that they can't optimize anything. 

This is the same bug we've been moaning about here since 2017. Apparently adobe knows it's a problem but can't fix it. It's a Heisenberg. Not a shock considering their track record. The big shock is how Apple lets it into the App Store. It should be banned. 

I’m experiencing an issue with Lightroom Mobile where the screen suddenly becomes dimmer when entering Edit mode.

Device: iPhone 16 Pro

iOS version: 18.4.1

Lightroom Mobile: latest version (as of May 2025)

The screen brightness drops noticeably only inside the Edit view. As soon as I return to the library or switch to another app, the brightness returns to normal.

I’ve already disabled True Tone, Night Shift, auto-brightness, and HDR display in iOS settings. Low Power Mode is also turned off.

I suspect this may be related to how Lightroom handles HDR or tone mapping on ProMotion displays.

Please let me know if this is a known issue or if there’s any workaround or fix available.

Thank you!

Even crazier to me is how Apple allows this app to pass their QA. 

As an employee is embarrassing to reply like that, did you take the time to read all the comments above? This issue is very annoying, please grab an iPad Pro install Lightroom, and use it for at least 5 minutes, Adobe have a QA area? is this app even tested before each release?

This should open a BUG case, where people can give feedbacks and an status of the DEV area on this. or do as I did, use another app and enjoy the full potential of the iPad hehehe

I don't mean this unkindly but I don't think you've understood the issue.

This is a hardware issue where the device overheats and the operating system dims the screen to protect it. It has nothing to do with the brightness settings that the user is able to change from iOS or iPad OS. 

Finally an actually employee replying after such a long time. If you guys would actually use your own product you'd see it's still a problem. The auto dimming isn't the problem. It's the device turning into the sun the moment you use lightroom for longer than 2 mins 

Have you tried to turn off Automatic Brightness via iOS settings to see if that makes a difference?

just run the following steps...

1. Open Settings: Look for the gear icon on your home screen and tap it.
2. Select Accessibility: Scroll down and tap on Accessibility.
3. Tap Display & Text Size: You’ll see various options relating to display settings.
4. Toggle Off Automatic Brightness: You should see an option for Automatic Brightness here. Simply toggle it off.

This has occurred on all my iPhones over the past five years, if I edit and colour-grade a raw photo, add masks, and especially use the healing/AI removal tool, the phone's SoC heats up significantly, causing throttling and screen-dimming. I've set a short cut ever since to toggle Low Power Mode as soon as the app is opened and it prevents all those issues at barely a performance downgrade.

I've just read every single reply in this thread and apparently still no solution after all these years... I recently purchased the new 13' iPad Pro M4 hoping this wont be an issue for me long term. I upgraded from my M1 iPad Pro (11-inch) (3rd Generation) that would constantly dim after 5/10 minutes of usage editing in Lightroom making it extremely difficult to accurately edit on the iPad. I continued to edit most of the time even with the screen dimming and tried my best to gauge the corrections I was making and verify after the screen brightened back up. I would strongly suggest you DONT do this as it will completely degrade your hardware and just make things worse. I really wanted to read this thread because I'm nervous to degrade the hardware on my new M4 iPad and wondered if there were any solutions. I'm still pretty new to this device, only have had it for 3 days but I will definitely edit a full project soon with 300+ Raw photos and see how it performs. So far I've noticed this iPad doesn't get as hot as my old M1 when editing but I can only assume after some time it will began to overheat more often. Adobe please fix this... I shouldn't be afraid to cut years off the life of my iPad to use a photo editing app. I will continue to share my progress with this device as more time passes, the only negative is by that time my return policy will be void (Go figure!)...