1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-88d20c03-b386-4471-bab9-2c03b0421dc7.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-41909e14-7af2-4791-a72f-605cd1534fc1.png?width=206&height=368)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ed3074b0-973b-4498-abfb-9d7bd6b72c2d.png?width=206&height=368)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0d05baf6-cedb-401d-8189-4bed19560766.png?width=206&height=368)
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-1c6020c9-b922-4e85-bae5-d0df15de5c4c.png?width=206&height=368)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d372e12-5f8d-4a1f-8945-b1c541d0d347.png?width=206&height=368)
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-5ca2cec5-abf8-4105-9ab7-1591ebe1788e.png?width=206&height=368)