1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3f92c6a7-c936-4d06-9d68-c7bbeb7858fb.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2fcc3186-69a3-4785-99d0-7cc293d035fc.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-aa89df8b-a277-426b-aaf1-ced57f68352c.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/7151223-f-d954ed08-6348-40cc-ae2f-f01dff3c8435.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/7151223-f-d954ed08-6348-40cc-ae2f-f01dff3c8435.png?width=212&height=458)