Brightness Control
How do I turn off or disable the automatic brightness control feature?
iPhone XS Max, iOS 15
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Elcapitantx wrote:
How do I turn off or disable the automatic brightness control feature?
Adjust the brightness and color temperature on your iPhone ...
Navigate to Settings, select Display & Brightness, tap True Tone, and toggle off this option.
Then, go back to Settings, select Accessibility, go to Display & Text Size and disable Auto-Brightness.
if no resolve—
If the issue persists, try turning off Low Power Mode and check the results. You may want to disable Night Shift as well.