1 Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ea59f24e-caec-482d-a241-75deb27b9d6e.png?width=204&height=366)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b7506ee7-aaea-42d5-ac2c-9f2cbc83b74d.png?width=204&height=366)
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-2e855b08-ad06-45d6-be11-273dfe701b54.png?width=204&height=366)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2e855b08-ad06-45d6-be11-273dfe701b54.png?width=204&height=366)