1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-2ed196e7-8a61-4b6b-8e56-42ec52aa7af5.png?width=212&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-31b1bafa-bf45-4431-9f5d-3fd90f91a6ea.png?width=212&height=458)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-37d55fe2-9cb8-4ecc-bbdb-2d8115ece148.png?width=212&height=458)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-9e4daa42-173c-49f2-8c0b-603e76adcf4c.png?width=212&height=458)
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/7210823-f-41e4878a-e820-4339-9031-ce0f3eb1ba3e.png?width=212&height=458)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7210823-f-41e4878a-e820-4339-9031-ce0f3eb1ba3e.png?width=212&height=458)