Microsoft Surface Duo
It's not possible to make voice calls
Solution 1 of 10: Fixed dialling is turned on
When fixed dialling is turned on, you can only call selected numbers and do emergency calls. Incoming calls aren't affected.
When fixed dialling is turned on, you can only call selected numbers and do emergency calls. Incoming calls aren't affected.
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calls.
Press Fixed dialling numbers.
Press Enable FDN to turn on fixed dialling.
Key in your PIN2 and press OK. The default PIN2 is 0000.
Press Disable FDN to turn off fixed dialling.
Key in your PIN2 and press OK. The default PIN2 is 0000.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.