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You can adjust the screen brightness to your surroundings.
1. Find "Brightness"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press the settings icon at the top of the screen.
2. Adjust screen brightness
Press AUTO to turn automatic brightness on or off.
Drag the brightness indicator right or left to select the required brightness level.
3. Return to the home screen
Press the Home key to return to the home screen.