1. Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-653cf248-6e86-4ad3-bacc-0e2aebcc127e.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-cf82cca8-5213-4177-9728-130f1ab335a8.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-cf82cca8-5213-4177-9728-130f1ab335a8.png?width=204&height=366)