1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7200224-f-26750584-7e4c-4088-b863-acdf7a4d16d3.png?width=212&height=462)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7200224-f-5b1c0a9e-b9f1-4d88-9a2e-3345dbe4fdd0.png?width=212&height=462)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7200224-f-17d71ad0-b783-4e95-b20e-87eee16dd8f7.png?width=212&height=462)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7200224-f-1eec63be-5b12-4e48-8f09-e681f8b428ee.png?width=212&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/7200224-f-461f2f89-90a8-41f4-88ea-57f572b453af.png?width=212&height=462)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7200224-f-461f2f89-90a8-41f4-88ea-57f572b453af.png?width=212&height=462)