![OPPO A72](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a84b7dd2-fee1-4d44-8e6b-3d456654fb19.png?width=150&height=320)
OPPO A72
Android 10.0
1. Find "Fixed Dialling Numbers"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-facf3558-7b28-4c5f-88a4-667a7893c56e.png?width=202&height=448)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-45f8a2c1-54e9-4c6c-97d7-37b6b8e03109.png?width=202&height=448)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2950ccd0-d3cf-4987-9ea7-4f5f4de29e5a.png?width=202&height=448)
Press Calling accounts.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8d345ee7-ede0-4cd0-812d-dd3429691600.png?width=202&height=448)
Press Carrier Call Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a3396edf-aad3-4309-8a6e-e1c63da304e0.png?width=202&height=448)
Press Fixed Dialling Numbers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-11956d57-66b8-46a6-a733-4b1fb13a0acc.png?width=202&height=448)
2. Turn on fixed dialling
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-da9819a4-3f14-410b-9825-e242f53e9bcf.png?width=202&height=448)
Press Enable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-aa3b9771-fba1-411b-9d51-8ee07ed9bd4a.png?width=202&height=448)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-70953a6b-de53-47db-9398-a1078b1e10bb.png?width=202&height=448)
1111
3. Turn off fixed dialling
Press Disable FDN.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ea983d9f-d83b-411d-8055-c29ee63c7fed.png?width=202&height=448)
Key in your PIN2 and press OK. The default PIN2 is 1111.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-cde1d4b3-44b0-434c-926a-bb160c218f1b.png?width=202&height=448)
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-aa3b9771-fba1-411b-9d51-8ee07ed9bd4a.png?width=202&height=448)