1. Find "Wi-Fi"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2591fca6-db59-4b91-9cd2-79749458ce00.png?width=202&height=448)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-89607216-1560-4dc4-9e85-d790c6102fb6.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-4630b962-cc44-4eba-b41d-a183d324ffe1.png?width=202&height=448)
3. Turn automatic use of mobile data on or off
Press Wi-Fi assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7e76ae9d-1ff4-45d2-a16c-717cb06588ff.png?width=202&height=448)
Press Select best networks automatically.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-71923d00-f3ee-4a8b-aefa-360570c8ec06.png?width=202&height=448)
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-53ee006c-f0b9-47e4-a1fc-6ad8694895a6.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-53ee006c-f0b9-47e4-a1fc-6ad8694895a6.png?width=202&height=448)