Device Guides
Samsung Galaxy Note20 Ultra 5G
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My mobile phone's battery life is short
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 2:
The screen brightness is set too high: Lower screen brightness.
List view
1. Find "Display"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Display.
2. Adjust screen brightness
Tap the indicator next to "Adaptive brightness" to turn automatic brightness on or off.
Drag the indicator right or left to set the brightness manually.
3. Return to the home screen
Tap the Home key to return to the home screen.
Step 1 of 6
Slide two fingers downwards starting from the top the screen.
Step 2 of 6
Tap the settings icon.
Step 3 of 6
Tap Display.
Step 4 of 6
Tap the indicator next to "Adaptive brightness" to turn automatic brightness on or off.
Step 5 of 6
Drag the indicator right or left to set the brightness manually.
Step 6 of 6
Tap the Home key to return to the home screen.
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