1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b143734-0629-42fd-8c0f-4b1f97c2cc9e.png?width=214&height=450)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-541e81d2-2b0e-4679-a153-89c08e354b8d.png?width=214&height=450)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5c7be929-9fd3-40c6-be18-61e3e5a7ff5c.png?width=214&height=450)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-768d1b5d-4519-4fd6-9955-1b354a594dba.png?width=214&height=450)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7a4b4dde-639e-4d7d-8a25-fe4b5454b626.png?width=214&height=450)
3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-800d97bc-1c6e-490d-b387-4e49fe170f77.png?width=214&height=450)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c022bed-9911-4459-b6f9-43f21f117c1a.png?width=214&height=450)
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-ecf03e56-6dd7-46b6-9287-39aae5ed438f.png?width=214&height=450)
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-ecf03e56-6dd7-46b6-9287-39aae5ed438f.png?width=214&height=450)