1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b7dd447f-926b-4252-aa91-157e0833cc72.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-887004f2-e129-440e-a621-d08a9e522ae1.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-009e20bc-d8a0-40f3-8215-fc7abb720728.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-8f69a92b-2886-4791-ac6e-198d268fc5c5.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-8f69a92b-2886-4791-ac6e-198d268fc5c5.png?width=212&height=458)