1 Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8a659b78-ec94-4757-baf0-0c9a92312e5c.png?width=202&height=418)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aa45eaf9-c8c6-4bf7-9dc1-893c103af5ea.png?width=202&height=418)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d7a16ed1-1ddc-4eed-abff-fb76fd69b435.png?width=202&height=418)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7fbc7176-cc0e-4049-ab12-a828d289d2ae.png?width=202&height=418)
2 Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-85ff7a15-cc77-4e06-8e0c-134911bc607c.png?width=202&height=418)
3 Turn automatic use of mobile data on or off
Press ADVANCED.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-84877299-3696-449e-8669-eb5b9097d92d.png?width=202&height=418)
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-eb967711-3613-41cf-8d31-421f8fab0cfa.png?width=202&height=418)
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-eb967711-3613-41cf-8d31-421f8fab0cfa.png?width=202&height=418)