1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dfed505a-0f13-42b2-a92b-ffbb1186e200.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6d224c89-1053-4fd0-82eb-b0fd40c1cc6d.png?width=206&height=368)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f1224abd-474e-47e9-9282-4563d181402b.png?width=206&height=368)
2. Turn automatic use of mobile data on or off
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b1f0b926-909d-498b-bc73-27158f531513.png?width=206&height=368)
Press the indicator next to "Switch to mobile data automatically" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6309d728-c866-42e2-9802-200c8dac4261.png?width=206&height=368)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6309d728-c866-42e2-9802-200c8dac4261.png?width=206&height=368)