1. Find "Display"
Slide your finger upwards starting from the bottom of the screen.
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Press the settings icon.
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Press Display.
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2. Turn automatic brightness on or off
Press the indicator next to "Adaptive brightness" to turn the function on or off.
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3. Adjust screen brightness manually
Press Brightness.
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Slide the circle to select the required brightness.
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4. Return to the home screen
Press the Home key to return to the home screen.
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