1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7290923-f-22e74535-90f5-475a-b0c1-eee379f0c2c7.png?width=214&height=462)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7290923-f-a3437edd-2eb6-4286-ad17-e86968626574.png?width=214&height=462)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7290923-f-4ca1ac39-fbbb-40c5-9490-b09a242ec369.png?width=214&height=462)
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/7290923-f-d954ed08-6348-40cc-ae2f-f01dff3c8435.png?width=214&height=462)
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/7290923-f-d954ed08-6348-40cc-ae2f-f01dff3c8435.png?width=214&height=462)