1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b11ccb8-d393-4faf-8bf0-0cc68b8038f5.png?width=208&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2a5e5145-9995-4701-ad23-66c3dd1eb1c5.png?width=208&height=450)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-528b18df-f3a3-4486-94ad-153d9904f5f7.png?width=208&height=450)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5a4c99d6-c061-47bd-a43e-7e51d48b1327.png?width=208&height=450)
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-c4462bec-e2fc-44e8-a5e2-354aa0ec3cf5.png?width=208&height=450)
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-c4462bec-e2fc-44e8-a5e2-354aa0ec3cf5.png?width=208&height=450)