![Samsung Galaxy S21 5G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-59f172d2-5dba-4569-94b6-41c456b4a98a.png?width=150&height=320)
Samsung Galaxy S21 5G
Android 11.0
1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4f73f480-9f98-4a94-8b07-6a2eb0b3b093.png?width=206&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-77d72a60-0d86-4165-85a3-2b12fca4ad63.png?width=206&height=456)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1698813e-d19c-42d2-aabe-038a76d1a048.png?width=206&height=456)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-abc4fdbe-bf8f-45d1-9667-4d84f238fb90.png?width=206&height=456)
2 Turn data roaming on or off
Press the indicator next to "Data roaming ‹SIM›" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c4cf4832-9ef2-4b8b-83ee-19499a44c086.png?width=206&height=456)
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-7b45a631-87c0-4ac6-83a4-a63f79c33eeb.png?width=206&height=456)