1 Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-473f09b5-aa42-42e4-891d-23d0c20b945b.png?width=184&height=428)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0e866170-586a-4886-b7a2-8593a1b2272f.png?width=184&height=428)
Press Network and Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1e3c359d-14cd-43bc-8c5f-80b446659f3b.png?width=184&height=428)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fd4ca50e-0138-4093-af7a-27280cf1b87f.png?width=184&height=428)
2 Turn data roaming on or off
Press the indicator next to "Roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f8f06e8c-8968-4427-8f19-dd9f625e1468.png?width=184&height=428)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6aeca0eb-bb2a-421a-8483-5a8b13c7a9e4.png?width=184&height=428)
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-f8f06e8c-8968-4427-8f19-dd9f625e1468.png?width=184&height=428)