Turn On-Off 4G HD Voice (VoLTE) on True SMART 4G HD Voice
- At Home screen, select [Settings]
- And then choose [General settings]
- Select [More]
- Turn off 4G HD Voice [VoLTE]
- “HD” will be shown on top, tap a button to turn off [Enhanced HD mode]
- A button will turn grey, “HD” on the top will disappear
- Turn on 4G HD Voice [VoLTE]
- tap a button to turn on [Enhanced HD mode]
- A button will turn green, “HD” will be shown on the top
- “HD” will appear when you are only in 4G HD Voice [VoLTE] coverage area