Cause 1 of 14: Fixed dialling is turned on
When you turn on fixed dialling, you can only call predefined numbers and do emergency calls.
Solution: Turn off fixed dialling.
1 Find "Fixed dialling numbers"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Call.
Press Fixed dialling numbers.
2 Turn on fixed dialling
Press Activate fixed dialling to turn on fixed dialling.
Key in your PIN2 and press OK.
3 Turn off fixed dialling
Press Deactivate fixed dialling to turn off fixed dialling.
Key in your PIN2 and press OK.
4 Return to the home screen
Press the Home key to return to the home screen.