1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7205093e-fe13-4b8b-bcd9-33361050edf0.png?width=204&height=366)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7a533326-92cb-4790-8908-80b7547aef58.png?width=204&height=366)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ef9104cd-a2e3-4973-a18f-88d04f97de88.png?width=204&height=366)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1bc6eb40-bfd9-45c3-bf26-0546799b6897.png?width=204&height=366)
2. Turn VoLTE on or off
Press the indicator next to "VoLTE" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3514a811-9d73-4d02-8ce7-bd08f54165c9.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-3514a811-9d73-4d02-8ce7-bd08f54165c9.png?width=204&height=366)