1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-82001f12-5ac0-4ab7-b54e-34f497279b52.png?width=214&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9f25ab5d-c924-433b-8496-01a61ec3eede.png?width=214&height=454)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b7401f8-9273-4d35-a302-d5bb51a43fca.png?width=214&height=454)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0ae49a1d-83fc-4b7f-8872-72e3c678fb45.png?width=214&height=454)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-795a3369-526d-4499-91c3-ccff3f376c6f.png?width=214&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-1b633fe5-7019-4e80-9677-49c367c2955d.png?width=214&height=454)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7e931998-6c33-42fd-8f01-886cc9a5bdfc.png?width=214&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-91188da7-6fcb-4c48-9052-0b2b108e7f54.png?width=214&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-91188da7-6fcb-4c48-9052-0b2b108e7f54.png?width=214&height=454)