Device Guides
Apple iPhone SE (2020)
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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.
Turn on Low Power Mode.
Possible cause 6:
Turn on Low Power Mode
Solution:
Find "Battery"
Tap Settings.
Tap Battery.
Extend the battery life
Tap the indicator next to "Low Power Mode" to turn on the function.
Return to the home screen
Tap the Home key to return to the home screen.