VoLTE
How to activate the VoLTE function of the handset
iPhone (iOS 13):
(1) How to Turn ON VoLTE in iPhone 7
(1) How to Turn ON VoLTE in iPhone 7

Via handset Setting, select “Mobile Data Options”


Select “Mobile Data”


Select “Voice & Data”


Turn on “4G, VoLTE On”
Samsung (Android 10):
Method : Via handset Setting
Method : Via handset Setting

Via handset Setting, select “Mobile Data Options”


Select “Mobile Data”


Select “Voice & Data”
LG (Android 9):
Method : Via handset Setting
Method : Via handset Setting

Via handset Setting, Select “Mobile networks”


Turn on “VoLTE”
Sony (Android 9):
Method : Via handset Setting
Method : Via handset Setting

Via handset Setting, select “Networks & Internet”


Select “Mobile network”


Select “Advanced”


Turn on “Enable VoLTE”
Huawei (Android 9):
Method : Via handset Setting
Method : Via handset Setting

Via handset Setting, select “Wireless & networks”


Select “Mobile network”


Turn On “VoLTE calls”
Xiaomi (Android 10):
Method : Via handset Setting
Method : Via handset Setting

Via handset Setting, select “SIM cards & mobile networks”


Select “SIM card settings”


Turn On “Use VoLTE”