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Josh5241 Author

Level 1

4 points

iPhone brightness control not working

The brightness bar both in control center and display & brightness is not behaving correctly on my iphone 11 running iOS 15.5. When scaling the brightness up from the lowest to highest setting once I hit about 50% the brightness stops increasing and is capped at the 50% brightness level even though the manual control bar is at 100%. I have True Tone off and auto-brightness off. When restarting my iPhone, the screen will briefly be back at a true full brightness before dimming itself in what appears to be 2 ~25% abrupt increments.

iPhone 11, iOS 15

Posted on Jul 10, 2022 8:58 AM

Best reply

GeeZ06

Level 4

2,778 points

Posted on Jul 10, 2022 6:38 PM

Hello Josh5241, One other thing you can check is Settings > Accessibility > Zoom Filter > Set it to NONE.

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iPhone brightness control not working

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