1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-02ec09b6-9af6-40aa-b41f-286113d18907.png?width=204&height=442)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aa68be3d-ba3a-4f62-84b3-3165c43b846d.png?width=204&height=442)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4fd414b-187d-485c-8dfb-668b779d2fa8.png?width=204&height=442)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-52bc8c53-f4fc-456b-955e-2e42e5360f1b.png?width=204&height=442)
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/7140723-f-4e424b9e-d139-4cca-84a6-77f3417cc943.png?width=204&height=442)
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-4e424b9e-d139-4cca-84a6-77f3417cc943.png?width=204&height=442)