1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7150824-f-bc591be7-8461-47df-ad90-854c9dd83bd7.png?width=210&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7150824-f-01cad80a-433d-4f47-bb59-e74de30e9bbd.png?width=210&height=458)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7150824-f-019c786f-090a-482c-8e82-e870cc024fa9.png?width=210&height=458)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7150824-f-0efcbbb5-c3a8-4fae-87ff-2661830ee79d.png?width=210&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/7150824-f-f2b62e20-1fdc-4b64-a3eb-dc22b3989f5e.png?width=210&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/7150824-f-f2b62e20-1fdc-4b64-a3eb-dc22b3989f5e.png?width=210&height=458)