1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9dcfd406-83cd-4634-8bfe-363ac3a80acb.png?width=204&height=362)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-92144ebe-2e0d-49e9-97b7-2ed154711151.png?width=204&height=362)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e4420b1-05d0-48f8-bed8-66899d0f5dcd.png?width=204&height=362)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b1eaf124-f578-4f32-b417-b3ab18e3abc5.png?width=204&height=362)
2 Turn data roaming on or off
Press Data roaming to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1a040633-0213-4aeb-a00d-a3e0fd9ab313.png?width=204&height=362)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e6c25add-dd70-4bcb-a8e2-b2e481b8548d.png?width=204&height=362)
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-1a040633-0213-4aeb-a00d-a3e0fd9ab313.png?width=204&height=362)