Personal Home Support Centre Device Guides Apple iPhone 8 Calls, contacts & calendar I can't make voice calls

Apple iPhone 8

iOS 11.0
Back to section Calls, contacts & calendar

I can't make voice calls

Your phone is overloaded for unknown reasons

Restart your phone

  • 1
    Restart your phone
    • Press the Top volume key.
    • Press the Bottom volume key.
    • Press and hold On/Off until your phone restarts.

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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
Not adequate network coverage
There is a temporary network problem