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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Search in Apple iPhone SE (2020)
I can't receive voice calls
This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.
Cancel all diverts.
Possible cause 2:
Divert of all calls is turned on
Solution:
Find "Keypad"
Tap the phone icon.
Tap Keypad.
Cancel all diverts
Key in ##002# and tap the call icon.
End call
Tap Dismiss.
Return to the home screen
Tap the Home key to return to the home screen.