My phone's battery life is short
Set screen brightness
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1Find "Display & Brightness"
- Press Settings.
- Press Display & Brightness.
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2Adjust screen brightness
- Press and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
- Press arrow left.
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3Turn automatic brightness on or off
- Press General.
- Press Accessibility.
- Press Display Accommodations.
- Press the indicator next to "Auto-Brightness" to turn the function on or off.
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4Return to the home screen
- Press the Home key to return to the home screen.