Device Guides
Apple iPhone 11 Pro Max
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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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How to
Extend battery life
Some functions on your mobile phone use a lot of power and therefore significantly reduce the battery life. You can reduce the power consumption by turning on low power mode.


Tap Settings.


Tap Battery.


Tap the indicator next to "Low Power Mode" to turn on the function.


Slide your finger upwards starting from the bottom of the screen to return to the home screen.