1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f3f1c5c2-0b7c-420e-b35f-30c56d2f5863.png?width=212&height=434)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-00ed165e-6505-48dd-af4c-070fc489ed1f.png?width=212&height=434)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4d88bad1-8172-4ff1-94fd-8a0e039481c9.png?width=212&height=434)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-102e0548-0c0b-4bd3-af98-453e424efff2.png?width=212&height=434)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b7c5c774-13cd-4124-a9bd-fe9c155947ea.png?width=212&height=434)
3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-60894549-51b6-4af2-97d3-7f7047d612d9.png?width=212&height=434)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a2b76741-7d69-441d-a3c4-7cd43f346262.png?width=212&height=434)
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-c3209ef1-7185-4d99-8c14-1e12a6cc379e.png?width=212&height=434)
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-c3209ef1-7185-4d99-8c14-1e12a6cc379e.png?width=212&height=434)