1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8fed7c12-3b5b-4b30-b370-2b0eb7b38300.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-91b3148f-0814-49de-a858-cc41ae426a74.png?width=204&height=452)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-93d6c14c-26f1-4898-99c2-88f079b63fbf.png?width=204&height=452)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1b7ac161-7940-4dc3-b71b-5e8f9c370d32.png?width=204&height=452)
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-595b8533-ba71-4faa-8d70-5112a625a0b7.png?width=204&height=452)
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-595b8533-ba71-4faa-8d70-5112a625a0b7.png?width=204&height=452)