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
Change screen brightness
You can adjust the screen brightness to your surroundings.


Tap Settings.


Tap Display & Brightness.


Tap and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.


Tap arrow left.


Tap Accessibility.


Tap Display & Text Size.


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


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