1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-364d27fb-2246-43bd-b253-dc49279a7b24.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-e156651a-5d1a-4142-a050-ec386ad312fa.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-e156651a-5d1a-4142-a050-ec386ad312fa.png?width=208&height=454)