1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c9ea6c87-34ce-47bf-9749-225029b476e2.png?width=210&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6092f781-78e7-46ba-80ae-47a2677d50fe.png?width=210&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5947f311-8c9c-44d6-aedb-e6fbe9fc9f78.png?width=210&height=454)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1b5c9ee0-e5b9-42cf-92e5-5bc92f16e054.png?width=210&height=454)
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-3bfae528-ed89-4062-bc7c-6fd3a4522335.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/7151223-f-3bfae528-ed89-4062-bc7c-6fd3a4522335.png?width=210&height=454)