![Samsung Galaxy S23 Ultra](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4a21bfed-bb15-4067-8603-0a0c0cfc186b.png?width=150&height=320)
Samsung Galaxy S23 Ultra
Android 13
1. Find "Fixed dialling numbers"
Press the call icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7b615281-013b-4b30-807d-70d15fc217a7.png?width=214&height=458)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a1a9b97e-d3cc-4624-8bfe-c27028060c35.png?width=214&height=458)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4a8e7e2c-e690-4cfd-989d-b0b19c88d7ab.png?width=214&height=458)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a3dd6d63-9996-4813-9c47-6d2dc1074e43.png?width=214&height=458)
Press Fixed dialling numbers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ddb6f969-6996-4613-b6da-715185fb7fa9.png?width=214&height=458)
2. Turn on fixed dialling
Press Enable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c7a3af5f-e2e1-4967-bdfc-cb3b5895b832.png?width=214&height=458)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7819c63c-b6e4-4d0e-a836-841951c726ff.png?width=214&height=458)
1111
3. Turn off fixed dialling
Press Disable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ea6c9d0a-b1f4-4e29-872f-b8242dbd02e2.png?width=214&height=458)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3009efb4-e008-450a-ba6f-f719b2357daa.png?width=214&height=458)
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-c7a3af5f-e2e1-4967-bdfc-cb3b5895b832.png?width=214&height=458)