1. Find "Wi-Fi"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-359f4746-f5e5-4414-a314-b86cd9e0495f.png?width=206&height=456)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b80d71c2-6fcf-441f-b931-35dec75474fc.png?width=206&height=456)
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-787d0390-55cb-4d17-964e-70b1487ed0ab.png?width=206&height=456)
3. Turn automatic use of mobile data on or off
Press Wi-Fi assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8dc2732f-968d-4791-ac7f-a0ad63579593.png?width=206&height=456)
Press Smart network acceleration.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fb078691-e968-489f-b908-4a2e787bc455.png?width=206&height=456)
Press the indicator next to "Use mobile data to boost speed" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-750b1589-ec10-40af-8ca4-b54ded90a99f.png?width=206&height=456)
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-750b1589-ec10-40af-8ca4-b54ded90a99f.png?width=206&height=456)