1. Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-fd20a15d-ce81-48df-a48b-5df01817ec84.png?width=210&height=454)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-869e79c7-95fa-47b5-896b-74432a7c4c00.png?width=210&height=454)
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-9b1ca305-8cde-4383-a1b3-75d75e944f56.png?width=210&height=454)
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-9b1ca305-8cde-4383-a1b3-75d75e944f56.png?width=210&height=454)