![Samsung Galaxy A51](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b4bf2131-9672-4038-b87c-726bcc08be37.png?width=150&height=320)
Samsung Galaxy A51
Android 10.0
1 Find "Fixed dialling numbers"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ba8fe847-7002-4336-9120-a2616927c3ca.png?width=204&height=454)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7c20d3d3-55a4-4999-86df-8f977fd34889.png?width=204&height=454)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a48e68e8-f348-433b-96ce-4b1ba926f0f2.png?width=204&height=454)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ddd599f6-60a8-4cb1-940b-4f55236b4da7.png?width=204&height=454)
Press Fixed dialling numbers below the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-169e5e71-6463-4873-bdfc-ab6e490ad4bd.png?width=204&height=454)
2 Turn on fixed dialling
Press Enable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-58a20b33-a1c3-4bd9-b703-3679b3d029d6.png?width=204&height=454)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2ec39881-ef4a-42d0-a53e-774aed855f8c.png?width=204&height=454)
1111
3 Turn off fixed dialling
Press Disable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-125756aa-0b8b-490c-aaac-6381f53dcbdf.png?width=204&height=454)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6ac9118c-dede-4b62-9277-da5ef235d9f5.png?width=204&height=454)
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-58a20b33-a1c3-4bd9-b703-3679b3d029d6.png?width=204&height=454)