1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-a61d4eef-bb81-43b2-973c-5a21ef2f2156.png?width=210&height=454)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-f7a8d49a-6366-4277-8704-1cc164254dc5.png?width=210&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-9215696e-0a9b-4cbd-88dc-aebe6a349b4e.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/7181024-f-5ed345f3-80c4-448e-913d-f118c16bc93e.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/7181024-f-5ed345f3-80c4-448e-913d-f118c16bc93e.png?width=210&height=454)