1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-af1b2c9e-46d5-480a-a603-ff95b0d3f251.png?width=206&height=342)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a0c13b37-773a-4db7-89f4-e6967cd1fc7b.png?width=206&height=342)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8741ad87-9f58-4913-9b08-f577c6e76199.png?width=206&height=342)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7d2c5a28-d608-44ff-a03e-b72008662cea.png?width=206&height=342)
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-013e2875-5b67-4779-91a5-6ca5dc984ac7.png?width=206&height=342)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7345a4f1-0300-42a5-8c50-f5155d558cc4.png?width=206&height=342)
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-11003a41-ec96-4433-8683-18bf6c3b64e4.png?width=206&height=342)