1. Find "Data usage"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-067f6283-d645-4db4-89cb-8f5c86ff6ebf.png?width=210&height=372)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0dc53ecb-6a0f-4049-a545-b15928ecfed1.png?width=210&height=372)
Press Data usage.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ca360fc0-e02f-4c53-a930-648453bd9d4b.png?width=210&height=372)
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-9901ef33-190b-4f0e-bf99-a7ca8cdbef54.png?width=210&height=372)
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-9901ef33-190b-4f0e-bf99-a7ca8cdbef54.png?width=210&height=372)