1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9e961350-67cc-44ff-ba91-3a8a00a20e09.png?width=208&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-95d3f47a-eaaf-4578-af29-4c0de6b084b6.png?width=208&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/7140723-f-4a24d08e-52ef-4664-a88a-28bbd65f09eb.png?width=208&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/7140723-f-4a24d08e-52ef-4664-a88a-28bbd65f09eb.png?width=208&height=454)