1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-441da185-c82c-4086-b613-9bb60500f9c5.png?width=206&height=448)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e9d48bac-e04e-48dc-8e9e-57c8e01d5ed9.png?width=206&height=448)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-05d14f51-fc46-48b2-b502-e763eef4c214.png?width=206&height=448)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a335aece-bfbd-415a-b07b-805aac72dd39.png?width=206&height=448)
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-18aadb28-9463-44fc-b250-6eb3f0768dd3.png?width=206&height=448)
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/7151223-f-18aadb28-9463-44fc-b250-6eb3f0768dd3.png?width=206&height=448)