1. Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b73c638f-669b-407a-bd20-e620638335f5.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a3568426-29ff-40ec-bc56-dc7942499092.png?width=206&height=368)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d89ed3dd-f8ea-4f6b-b8ac-8e7b5ea0231b.png?width=206&height=368)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-60ed170f-2970-48de-8a16-a6cf7f7bd866.png?width=206&height=368)
2. Turn data roaming on or off
Press Data roaming to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6cdd7bb8-f79f-4b35-af39-8dc3d2363015.png?width=206&height=368)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6cdd7bb8-f79f-4b35-af39-8dc3d2363015.png?width=206&height=368)