1. Find "Data usage"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-32cc8eec-6445-4e8f-8b47-bd4d3dda1913.png?width=216&height=386)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eaee2628-3f3b-4a73-8d68-4905dc65756f.png?width=216&height=386)
Press Data usage.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0396dc38-5cf4-4528-9a6a-ec776cae8d27.png?width=216&height=386)
2. Turn mobile data on or off
Press the indicator next to "Mobile data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a0506119-3269-4534-a1f9-49d6fb0d58ed.png?width=216&height=386)
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-a0506119-3269-4534-a1f9-49d6fb0d58ed.png?width=216&height=386)