1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7170125-f-0c068314-0051-4c8f-ab52-1073b4958a88.png?width=210&height=454)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7170125-f-cf78f759-0dad-4a98-a266-7f01e9092d4e.png?width=210&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7170125-f-493688b1-a99b-4aca-91d4-997e0a1d399e.png?width=210&height=454)
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/7170125-f-90e09ab6-90a2-4867-99d6-0f5abf12fd1b.png?width=210&height=454)
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/7170125-f-90e09ab6-90a2-4867-99d6-0f5abf12fd1b.png?width=210&height=454)