1. Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-120f38f6-0a78-4d80-bf49-b68f6daa457d.png?width=210&height=456)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f6fa2fdb-ae9a-4417-bcb7-d8c5cbb08fac.png?width=210&height=456)
2. Turn Wi-Fi Assist on or off
Press the indicator next to "Wi-Fi Assist" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d5c46d46-9835-4b68-a2e3-4cb00c651ae6.png?width=210&height=456)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d5c46d46-9835-4b68-a2e3-4cb00c651ae6.png?width=210&height=456)