1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2c58e84a-a234-4e12-a183-86356108a319.png?width=186&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e0b5e3d9-fdfb-4613-a51d-77d8dd79b1e8.png?width=186&height=454)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-65d7065e-e94e-4728-ae1a-4891e022dee6.png?width=186&height=454)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ca2b3686-f66d-4d7c-99a5-b339c55d74b0.png?width=186&height=454)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83104fb5-da27-4dbe-b339-beb79f908165.png?width=186&height=454)
3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ebbb48e5-a2e5-4648-a43b-da5e601ea77f.png?width=186&height=454)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eaeb720c-dc01-4c70-8f85-5cafd22f9774.png?width=186&height=454)
Press the indicator next to "Switch to mobile data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-98dcafc1-b6bd-44af-92a9-97d1d3e44776.png?width=186&height=454)
4. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-98dcafc1-b6bd-44af-92a9-97d1d3e44776.png?width=186&height=454)