My phone's battery life is short
Adjust display brightness
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1Find "Brightness"
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Slide your finger down the display starting from the top edge of your phone.
Press the settings icon. - Press Display.
- Press Brightness.
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Slide your finger down the display starting from the top edge of your phone.
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2Set display brightness
- Press Automatic brightness to turn the function on or off.
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If you turn off the function:
Press and drag the indicator right or left to set the display brightness. - Press OK.
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3Return to the home screen
- Press the Home key to return to the home screen.