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Galaxy S21 Ultra 5G
Calls, contacts & calendar
I can't make voice calls
Samsung Galaxy S21 Ultra 5G
Android 11.0
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Back to section Calls, contacts & calendar
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
The selected network mode is not available
Roaming isn't activated on your service
Restart your phone
Previous step
Next step
1
Restart your phone
Press
the Side key
.
Simultaneously, press and hold
the lower part of the Volume key
and keep them both pressed until your phone restarts.
Did this solve your problem?
Yes
No
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
Restart your phone
Previous step
Next step
1
Restart your phone
Press
the Side key
.
Simultaneously, press and hold
the lower part of the Volume key
and keep them both pressed until your phone restarts.
Did this solve your problem?
Yes
No
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
The selected network mode is not available
Roaming isn't activated on your service