1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-97ff0d21-cdae-49a3-b999-fa949a2a72ce.png?width=210&height=458)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2649e717-06ed-468a-9de3-ba78ad812ab7.png?width=210&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bb1992a1-bd68-4f65-9662-c744f8168703.png?width=210&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/7140723-f-b8d0a32f-3576-4c33-944b-fb81b9ad5d66.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-b8d0a32f-3576-4c33-944b-fb81b9ad5d66.png?width=210&height=458)