Apple iPhone X
iOS 15.1
Select help topic
1. Find "Display & Brightness"
Press Settings.
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Press Display & Brightness.
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2. Turn on Dark Mode
Press Dark.
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3. Turn automatic Dark Mode activation on or off
Press the indicator next to "Automatic" to turn the function on or off.
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If you turn on the function, press Options and follow the instructions on the screen to select the required period of time for Dark Mode.
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4. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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