1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7051124-f-08070cf8-38bb-4429-8e3b-70f920df34df.png?width=210&height=454)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7051124-f-5c5a4bc3-268e-427e-97ed-020b502fea29.png?width=210&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7051124-f-4e632eaa-5843-48a3-9c02-ba79bfbb7065.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/7051124-f-25d7a1e0-a6b0-490f-a95e-9ab9a20436a6.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/7051124-f-25d7a1e0-a6b0-490f-a95e-9ab9a20436a6.png?width=210&height=454)