Device Guides
Apple iPhone 12 Pro
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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 9:
The screen brightness is set too high: Lower screen brightness.
List view
1. Find "Display & Brightness"
Tap Settings.
Tap Display & Brightness.
2. Adjust screen brightness
Tap and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
Tap arrow left.
3. Turn automatic brightness on or off
Tap Accessibility.
Tap Display & Text Size.
Tap the indicator next to "Auto-Brightness" to turn the function on or off.
4. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
Step 1 of 8
Tap Settings.
Step 2 of 8
Tap Display & Brightness.
Step 3 of 8
Tap and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
Step 4 of 8
Tap arrow left.
Step 5 of 8
Tap Accessibility.
Step 6 of 8
Tap Display & Text Size.
Step 7 of 8
Tap the indicator next to "Auto-Brightness" to turn the function on or off.
Step 8 of 8
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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