4. How can I activate VoLTE in my phone?

If it's an Android - Click Here to refer to the video

>  Tap Settings

>  Tap Network & Internet

>  Tap Call

>  Tap to enable VoLTE/HD Voice/Enhanced Calling

OR

>  Go to the dial pad of your phone

>  Tap the 3 dots/Menu in the top right

>  Tap Call Settings

>  Tap to enable VoLTE/HD Voice/Enhanced Calling

Following instructions for newest iOS versions (iOS13). On older versions of the iOS the process to turn on VoLTE will be very similar:

>  Tap Settings

>  Tap Cellular

>  Ensure the Cellular Data switch is in the On position

>  Tap Cellular Data Options

>  Tap Voice & Data

>  Ensure LTE, VoLTE On is selected (has a check mark) if not, tap