Personal Home Support Centre Device Guides Apple iPhone SE (2020) Calls & contacts I can't make voice calls

Apple iPhone SE (2020)

iOS 13.4
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I can't make voice calls

Your phone is overloaded for unknown reasons
The SIM is faulty
There's an error at the receiving end
The selected network is out of range
Roaming isn't activated on your service
There's no credit on your prepaid phone
Your number is no longer in service
Flight mode is turned on

Turn flight mode on or off

Slide your finger upwards starting from the bottom of the screen.
Press the flight mode icon to turn the function on or off.
Press the Home key to return to the home screen.
  • 1
    Turn flight mode on or off
    • Slide your finger upwards starting from the bottom of the screen.
    • Press the flight mode icon to turn the function on or off.
  • 2
    Return to the home screen
    • Press the Home key to return to the home screen.

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Not adequate network coverage
There is a temporary network problem