1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-92248044-cb1e-4cbc-99a2-20ba0d26f3a4.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-99e1eb26-959e-4731-a79b-ec642aacc704.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-8d4c76c1-0c2e-476f-821d-c26b1bd9a7cb.png?width=212&height=458)
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/7181124-f-84fc28f1-8b27-402e-9a87-b551ea867f16.png?width=212&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/7181124-f-84fc28f1-8b27-402e-9a87-b551ea867f16.png?width=212&height=458)