1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-5dd167e0-afb0-40d1-8bad-812bf2e52c83.png?width=214&height=464)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-5accec6d-3560-402c-bb50-1f1edcb28325.png?width=214&height=464)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-2f10cc8d-ca76-4d81-8761-c46c43aea0bb.png?width=214&height=464)
2 Turn data roaming on or off
Press the indicator next to "Data Roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-9ed1736d-6aa6-484c-8bf5-59c403b0deb5.png?width=214&height=464)
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/7041024-f-9ed1736d-6aa6-484c-8bf5-59c403b0deb5.png?width=214&height=464)