1 Find "Data usage"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-577f3e21-22e1-47c7-a5fb-6c551a6aa716.png?width=214&height=380)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-212b8b0f-d55c-44c7-9ed0-57e916f57934.png?width=214&height=380)
Press Data usage.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9c36eb56-e821-4efd-a546-3814753a678b.png?width=214&height=380)
2 Turn mobile data on or off
Press Mobile data to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-98a35b3a-7ff0-4675-b7df-1035707b41c2.png?width=214&height=380)
If you turn off the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b0ed36bd-c16f-4a46-9004-ca8d4ebb28fe.png?width=214&height=380)
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-98a35b3a-7ff0-4675-b7df-1035707b41c2.png?width=214&height=380)