1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7150124-f-2ef041b2-7cf5-4c4f-ab06-63ca76171e8e.png?width=312&height=446)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7150124-f-796fdb8a-7579-4d47-a339-d8d182a6e8c5.png?width=312&height=446)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7150124-f-70d07957-ce0c-4e0f-9b57-474269a7cbae.png?width=312&height=446)
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/7150124-f-838261ef-069c-4945-b679-715d4460846b.png?width=312&height=446)
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/7150124-f-838261ef-069c-4945-b679-715d4460846b.png?width=312&height=446)