1 Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a1aa658-bdb6-4d01-ae2f-c5fb8ff4773c.png?width=210&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7609ebc9-24f6-45e4-8fbf-59605f6be8a9.png?width=210&height=458)
Press Network and Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-113d4875-7640-4237-bf7e-a88c8bdfd591.png?width=210&height=458)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0ef52173-c74f-438c-a2dd-eb644b76c5c4.png?width=210&height=458)
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-283db412-3120-4af6-8428-5b67dff7bd14.png?width=210&height=458)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-db0fed00-c8bc-4fbe-adbe-1b99884b3747.png?width=210&height=458)
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-283db412-3120-4af6-8428-5b67dff7bd14.png?width=210&height=458)