Personal Home Support Centre Device Guides OPPO A38 Calls & contacts I can't make voice calls

OPPO A38

Android 13
Back to section Calls & contacts

I can't make voice calls

There's no credit on your prepaid phone
Your number is no longer in service
Flight mode is turned on
Barring of outgoing calls is turned on
Your phone is overloaded for unknown reasons
The SIM is faulty
Not adequate network coverage
There is a temporary network problem
There's an error at the receiving end
The selected network is out of range

Select network

Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Mobile network.
Press the name of your SIM.
Press Operator.
Press the indicator next to
Press Off.
Press Off to turn off the function and wait while your phone searches for networks.
Press the required network.
Press the indicator next to
Press the Home key to return to the home screen.
  • 1
    Find "Operator"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Mobile network.
    • Press the name of your SIM.
    • Press Operator.
  • 2
    Select network manually
    • Press the indicator next to "Auto-select".
    • Press Off.
    • Press Off to turn off the function and wait while your phone searches for networks.
    • Press the required network.
  • 3
    Select network automatically
    • Press the indicator next to "Auto-select" to turn on the function.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.

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The selected network mode is not available
Roaming isn't activated on your service