1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e4104666-cfae-4a73-852a-06f55f906bfc.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cb28a6d2-03ab-4122-b037-9688c51ef7c0.png?width=206&height=368)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-deb74a82-4e9c-4dbe-b6e2-d11c05e701a3.png?width=206&height=368)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-99fac6d5-a8a2-44a1-be03-13600cf78f30.png?width=206&height=368)
2. Turn automatic use of mobile data on or off
Press ADVANCED.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d7d49ee5-ca85-46c6-bade-fd059e89c7e0.png?width=206&height=368)
Press the indicator next to "Adaptive Wi-Fi" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2789eeef-6882-492d-9c17-9aad849b8b92.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-2789eeef-6882-492d-9c17-9aad849b8b92.png?width=206&height=368)