![Samsung Galaxy S21 5G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-59f172d2-5dba-4569-94b6-41c456b4a98a.png?width=150&height=320)
Samsung Galaxy S21 5G
Android 11.0
1 Find "Fixed dialling numbers"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4f73f480-9f98-4a94-8b07-6a2eb0b3b093.png?width=206&height=456)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-62bf0efc-0adc-4e48-a085-e92bc68b774f.png?width=206&height=456)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-41a356fb-9fa7-497a-8de4-8bc003c18784.png?width=206&height=456)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-25dae47d-84f5-4cbf-8a63-3ea696a387ff.png?width=206&height=456)
Press Fixed dialling numbers below the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3a030f20-4ee3-49c0-9e24-6c145354b8c3.png?width=206&height=456)
2 Turn on fixed dialling
Press Enable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8a2de0e3-8d97-4333-a6ee-ab3bd3e71699.png?width=206&height=456)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a3b0df5b-62c6-43a8-822e-7f6e7fa0f177.png?width=206&height=456)
1111
3 Turn off fixed dialling
Press Disable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f364e47c-4ff9-4a50-b525-1013c922851c.png?width=206&height=456)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a45d85b1-c28d-4327-a2aa-ca7cde866ebe.png?width=206&height=456)
1111
4 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8a2de0e3-8d97-4333-a6ee-ab3bd3e71699.png?width=206&height=456)