1. Find "Display & Brightness"
Press Settings.
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Press Display & Brightness.
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2. Adjust screen brightness
Press and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
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3. Turn automatic brightness on or off
Press Accessibility.
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Press Display & Text Size.
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Press the indicator next to "Auto-Brightness" to turn automatic brightness on or off.
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4. 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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