1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-39442f38-08bb-4e83-9c2d-b0470f72b99d.png?width=202&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0b654c7-d647-40e7-86e9-f2e39c869f16.png?width=202&height=448)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c3e4c69e-57b7-43e7-85ce-c1f3ece31eeb.png?width=202&height=448)
2. Turn on Wi-Fi
Press the indicator next to "Wi-Fi" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bddac07b-7e28-4ca6-b4fc-82108421bf37.png?width=202&height=448)
3. Turn automatic use of mobile data on or off
Press Advanced settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5cde6c93-9fc6-4708-bf6e-44d328eef9e3.png?width=202&height=448)
Press Wi-Fi Assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6baa870d-ea5a-4afa-9735-62f68b30630c.png?width=202&height=448)
Press the indicator next to "Auto-connect to the best Wi-Fi" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1b2b5c55-a1c3-4398-9dcf-7b0a5c16ce2f.png?width=202&height=448)
Press the indicator next to "Auto-switch to mobile network" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7484491c-b636-48f7-9fd2-dbeef1c56606.png?width=202&height=448)
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-7484491c-b636-48f7-9fd2-dbeef1c56606.png?width=202&height=448)