1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-36cf0ddb-f9ff-4c60-9efb-21812a259822.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-0f8aa5d8-b3a5-41d2-bfea-9fd849bdf551.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7041024-f-91dee758-2638-404c-9df8-06a4d05d1277.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/7041024-f-b2f92bd9-6c49-4140-a9b8-f332aeee1bb5.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/7041024-f-b2f92bd9-6c49-4140-a9b8-f332aeee1bb5.png?width=212&height=458)