1 Find "Wi-Fi"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0378fe2c-3fe4-4408-a236-6c636c623958.png?width=210&height=372)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-39ada35b-fec4-44c9-a92d-df31ec1fd195.png?width=210&height=372)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2de7b6c5-1ae7-4e3e-b40f-aa9e4b32ea58.png?width=210&height=372)
2 Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-28ee4e5b-5b44-46cd-b5b4-5d53a1c3bc27.png?width=210&height=372)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-48d2a9f0-7493-4eab-8e5c-43223b325125.png?width=210&height=372)
Press Auto network switch to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e79ede84-0d6b-41be-830f-87d9e6262e3c.png?width=210&height=372)
If you turn on the function, press ENABLE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e0387e05-e087-44b8-8178-6ddd6ff440c7.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-e79ede84-0d6b-41be-830f-87d9e6262e3c.png?width=210&height=372)