1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-577f3e21-22e1-47c7-a5fb-6c551a6aa716.png?width=214&height=380)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-212b8b0f-d55c-44c7-9ed0-57e916f57934.png?width=214&height=380)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9c36eb56-e821-4efd-a546-3814753a678b.png?width=214&height=380)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e24806da-fb4f-41d6-b574-c80fe2b7a90d.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-254fafe9-61ab-4156-91db-ddebdd73697b.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-254fafe9-61ab-4156-91db-ddebdd73697b.png?width=214&height=380)