Enable – Disable 4G HD Voice (VoLTE) on Samsung Galaxy J7 Pro
- On main screen, swipe screen up
- Select (Settings)
- And then (Connections)
- Select (Mobile networks)
- You'll find VoLTE calls, tap to enable-disable it , button status : grey = Off (Disable) / blue = On (Enable)
- If Enable VoLTE calls > while being in service area at top right corner VoLTE sign will appear, 4G HD Voice (VoLTE)) is ready to use
- What you should know about 4G HD Voice (VoLTE)
- Must be U-SIM that supports 4G
- Device must be compatible with VoLTE
- Activate 4G HD Voice with network operator
- Must be in the area where has 4G HD Voice (VoLTE) service