1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b9c8b03a-d135-4442-a454-47ec9b04fe4b.png?width=200&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1b5f071f-b0d5-4458-9d57-1d5ca8b427dc.png?width=200&height=448)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-53ca99f3-6424-4b3d-9d7a-ab5c1c9d9ced.png?width=200&height=448)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b0402591-14c4-4baf-825c-82f4e5c3569c.png?width=200&height=448)
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-a9d94a18-8817-434b-aaa5-8c4cb0a4b977.png?width=200&height=448)
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-a9d94a18-8817-434b-aaa5-8c4cb0a4b977.png?width=200&height=448)