OPPO A78 5G
Android 13
Turn fixed dialling on or off
When fixed dialling is turned on, you can only call selected numbers and do emergency calls. Incoming calls aren't affected.
1. 1. Find "Fixed dialling numbers"
Press the call icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press Operator-related settings.
Press Fixed dialling numbers.
2. 2. Turn on fixed dialling
Press Enable FDN.
Key in the PIN2 and press the confirm icon.
3. 3. Turn off fixed dialling
Press Disable FDN.
Key in the PIN2 and press the confirm icon.
4. 4. Return to the home screen
Press the Home key to return to the home screen.