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Samsung Galaxy S7 edge
Troubleshooting
If your device isn't working properly, you can try several solutions to solve the problem.
In most cases you can solve the problem by following these guidelines:
1 Find "Fixed Dialling Numbers"
Press Phone.
Press MORE.
Press Settings.
Press More settings.
After a moment the current settings are displayed.
After a moment the current settings are displayed.
Press Fixed Dialling Numbers.
2 Activate or deactivate fixed dialling
To activate fixed dialling:
Press Enable FDN.
Press Enable FDN.
To deactivate fixed dialling:
Press Disable FDN.
Press Disable FDN.
Key in your PIN2 and press OK.
3 Return to the Home screen
Press the Home key to end the session and return to the Home screen.