1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4d2fc1db-6e43-4e50-b03e-12f04abcc3a8.png?width=200&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4b514bb-7e39-49ea-9aaa-67a2870ac9fd.png?width=200&height=448)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c799b169-8d81-4a49-beef-b4035565f74f.png?width=200&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-49acf418-8b62-4260-ac4a-2c845836d0dc.png?width=200&height=448)
3. Turn automatic use of mobile data on or off
Press Advanced settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5323a7c6-f88a-47fe-b328-b38bd4b0c977.png?width=200&height=448)
Press Wi-Fi Assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0723eeb7-8061-44e3-94dd-fe0d25839728.png?width=200&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-6c9ae936-1b10-436e-af7c-1409b3d1dedc.png?width=200&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-e9da6d80-523d-4b2e-bd52-9fddc21a248d.png?width=200&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-e9da6d80-523d-4b2e-bd52-9fddc21a248d.png?width=200&height=448)