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Huawei P40 Pro
Android 10.0
1. Find "Display & brightness"
Press Settings.
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Press Display & brightness.
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2. Adjust screen brightness
Press the field next to "Automatic" to turn automatic brightness on or off.
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Drag the brightness indicator right or left to set brightness level manually.
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3. 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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