1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-94c46443-f54a-4369-8ffe-1196017e77be.png?width=210&height=458)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1968f08d-5d54-4bf0-b58a-b4cfbea4c5bb.png?width=210&height=458)
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-66f6415e-5ca0-4a9c-9cb2-be780aaa8201.png?width=210&height=458)
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-66f6415e-5ca0-4a9c-9cb2-be780aaa8201.png?width=210&height=458)