![Samsung Galaxy A21s](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bb012320-6a9f-40ba-a3de-77ccaf7d7d42.png?width=150&height=320)
Samsung Galaxy A21s
Android 10.0
1 Find "Voice call"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b9c8b03a-d135-4442-a454-47ec9b04fe4b.png?width=200&height=448)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-877e2729-f2e5-41c1-a039-f24b42565629.png?width=200&height=448)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1dc99451-7bd7-4bc6-bd20-c7e6da077893.png?width=200&height=448)
Press Supplementary services.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1a58e4b1-bcb7-4239-a54b-41992209a2fb.png?width=200&height=448)
Press Call barring.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9147ff09-6a7e-4385-81dd-83b6ccb881f3.png?width=200&height=448)
Press Voice call.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2175d9d2-e7ff-44d0-9fb8-5729e6bcd387.png?width=200&height=448)
2 Turn call barring on or off
Press the indicator next to the required barring type to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9a561b84-ea29-421f-8b22-54a32255ab5b.png?width=200&height=448)
Key in your barring password and press OK. The default barring password is 1919.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5493f24f-1339-4c6d-af86-3095bf37552a.png?width=200&height=448)
1919
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9a561b84-ea29-421f-8b22-54a32255ab5b.png?width=200&height=448)