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
Turn call waiting on or off
When call waiting is turned on, you can answer a new call without ending your ongoing call.


Tap Settings.


Tap Phone.


Tap Call Waiting.


Tap the indicator next to "Call Waiting" to turn the function on or off.


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