1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a92392b6-425c-4d03-b2ba-1e63f0d95710.png?width=214&height=380)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4d9f6163-3f4d-4d0c-8458-0809fbbdeddc.png?width=214&height=380)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9012dc2e-8624-4d91-ad3b-18fdd26b98f3.png?width=214&height=380)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cb631d07-0fc1-445c-abd3-c80677180b55.png?width=214&height=380)
2 Turn data roaming on or off
Press Data roaming to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-03ff5ba1-1ad1-4f8e-9f62-ff68545a69a7.png?width=214&height=380)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-03ff5ba1-1ad1-4f8e-9f62-ff68545a69a7.png?width=214&height=380)