Device Guides
Samsung Galaxy S21 Ultra 5G
Buy now
Search in Samsung Galaxy S21 Ultra 5G
How to
Turn fixed dialing on or off
When fixed dialing is turned on, you can only call selected numbers and emergency numbers. Incoming calls aren't affected.
Tap the phone icon.
Tap the menu icon.
Tap Settings.
Tap Supplementary services.
Tap Fixed dialling numbers below the required SIM.
Tap Enable FDN.
0000
0000
Key in your PIN2 and tap OK. The default PIN2 is 0000.
Tap Disable FDN.
0000
0000
Key in your PIN2 and tap OK. The default PIN2 is 0000.
Tap the Home key to return to the home screen.
Would you like information for your {device-name}?