Device Guides

Apple iPhone SE

iOS 14.0

iOS 11.0

iOS 9.3

iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.

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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 8:

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 the indicator next to "Auto-Brightness" to turn automatic brightness on or off.

If you turn off the function, tap the indicator above "Auto-Brightness" to select the required brightness.

3. Return to the home screen

Tap the Home key to return to the home screen.

Step 1 of 5

Tap Settings.

Step 2 of 5

Tap Display & Brightness.

Step 3 of 5

Tap the indicator next to "Auto-Brightness" to turn automatic brightness on or off.

Step 4 of 5

If you turn off the function, tap the indicator above "Auto-Brightness" to select the required brightness.

Step 5 of 5

Tap the Home key to return to the home screen.

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