1 Find "Wi-Fi"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-18b882b8-ed6f-4486-99e2-d6db67febf57.png?width=198&height=440)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2f7920e4-ba7c-45ee-915c-cfebb2e5c3dc.png?width=198&height=440)
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-24a74ce2-82be-4b52-bd9c-958730118c77.png?width=198&height=440)
3 Turn automatic use of mobile data on or off
Press Wi-Fi assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-90af5158-2986-431d-ad94-7761df6e81d8.png?width=198&height=440)
Press Select best networks automatically.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ad190604-fe9e-4ce7-a9a7-4a6da0a6a687.png?width=198&height=440)
Press the indicator next to "Select best networks automatically" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f1120100-4651-4947-ae25-bd3e0683172b.png?width=198&height=440)
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-f1120100-4651-4947-ae25-bd3e0683172b.png?width=198&height=440)