![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 "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ba8fe847-7002-4336-9120-a2616927c3ca.png?width=204&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c1d3dfac-a61d-4197-84ae-44d0ed1a1757.png?width=204&height=454)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5ca7f918-cf74-42cc-8528-2bc3741a7567.png?width=204&height=454)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a70b7365-8cb4-4293-a344-7c4552f0296f.png?width=204&height=454)
2 Turn data roaming on or off
Press the indicator next to "Data roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3d33cd78-5f21-4d81-924e-7ed8d9507ded.png?width=204&height=454)
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-3d33cd78-5f21-4d81-924e-7ed8d9507ded.png?width=204&height=454)