1 Find "Mobile network"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4836bf5-2b39-403b-9fb1-23c6a6e4a69c.png?width=216&height=384)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ee439047-3dda-468c-b320-2fd9cd607104.png?width=216&height=384)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c0276dbd-0764-49f0-9451-861a43e5c582.png?width=216&height=384)
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-e69cea64-a6ab-438b-ae1b-6b8b56bb528a.png?width=216&height=384)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-61a28290-a3cd-428f-bda8-7bf90a5edc5b.png?width=216&height=384)
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-e69cea64-a6ab-438b-ae1b-6b8b56bb528a.png?width=216&height=384)