1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-13890e03-aa13-4089-8722-834252293340.png?width=210&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eab53ccc-d8e3-436c-bfa4-506e0f9e90e3.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/7140723-f-b3f664b3-3c54-48c5-950f-de55bc0f51e9.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/7140723-f-b3f664b3-3c54-48c5-950f-de55bc0f51e9.png?width=210&height=454)