1 Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0a4625d8-81e1-4292-99be-3abc34a050da.png?width=202&height=426)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ac53551d-8d93-48d2-8a1b-2eb383b335ac.png?width=202&height=426)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6a58f84d-f344-4329-821f-1a3b30b8abad.png?width=202&height=426)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8dc55a74-0ce9-4b8d-b667-b2fb2ac30562.png?width=202&height=426)
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-622577ae-8650-4e38-8c42-1b1c67b0a1b3.png?width=202&height=426)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cce475bf-9744-4f3a-af3d-cdb94411b8fd.png?width=202&height=426)
3 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-622577ae-8650-4e38-8c42-1b1c67b0a1b3.png?width=202&height=426)