1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7a428a29-fe77-4d46-836f-e99ea90a9b4c.png?width=212&height=434)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6dbb3faa-39b9-4f4d-bb5a-492946c5c383.png?width=212&height=434)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-685fae83-e080-450a-bd6e-68171ffd0d53.png?width=212&height=434)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-57ef63f8-4259-4d94-9f41-91802a96b28a.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-ce50eb18-31d2-4b24-a68e-4b7bca9b4628.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-f6246182-141d-480c-b805-8c5bc3558546.png?width=212&height=434)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-edc219f8-3495-40d8-ad5e-fa57b418a6a9.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-bf87b4c1-93fd-4b0c-9ac6-60969c95f3fe.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-bf87b4c1-93fd-4b0c-9ac6-60969c95f3fe.png?width=212&height=434)