1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7020922-f-66925077-55c2-4a3d-bafe-ce31708d7158.png?width=214&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7020922-f-4cb2e1d5-ec06-4a0f-ac7b-3aa7ec059ce7.png?width=214&height=458)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7020922-f-d2df2733-52ed-4ce0-882e-8cd571af993b.png?width=214&height=458)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7020922-f-6f098438-0c03-43d7-ac93-54d54c2e79f3.png?width=214&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/7020922-f-953b11aa-8395-4f65-9387-e1b5a33d6d05.png?width=214&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/7020922-f-953b11aa-8395-4f65-9387-e1b5a33d6d05.png?width=214&height=458)