iPhone 17 Pro Max screen brightness changes on its own

I have a iPhone 17 Pro Max. I will use the pull down control center to set the brightness of my screen. Everyday it will change on its own. Sometimes more than once a day. It’s really annoying. It doesn’t do this on my iPad just my iPhone. Do I need to take my phone in for service? Has my phone been hacked and someone is changing the screen brightness? It’s so annoying.

Posted on Feb 27, 2026 2:21 AM

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Posted on Feb 27, 2026 4:40 AM

Hello,

It is probably changing automatically.

Go to Settings > Display and Brightness and turn off Automatic.

Good luck.

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iPhone 17 Pro Max screen brightness changes on its own

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