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The quality of audio is distinctly different and clearer.

I posted it after my 1st answer. Make a call, and the LTE icon in the upper left hand corner should still be there, instead of it switching to 4G.
 
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Now, if anyone can figure out how to turn off HD voice but retain VoLTE, that would be absolutely fantastic :cool:
 
VoLTE has pretty much rendered my phone useless for making calls in my apartment. My LTE signal here isn't good, so calls are almost impossible to make. If I disable VoLTE, forcing the signal to drop to 4G during phone calls, it's fine. Hopefully WiFi calling is coming soon.
 
HD Voice is VoLTE. HD Voice is just AT&T's marketing term for VoLTE.
Not exactly. VoLTE is needed for HD Voice, but you can be using VoLTE and not be utilizing HD Voice (that currently has carrier and device-specific restrictions right now).
 
Why would anyone want to disable HD Voice? It sounds much better than a regular call.
It's not a matter of wanting to disable HD voice. It's just that it doesn't work between different carriers and not all phones support it.

That will go away in time, but these are early days.
 
If you have VoLTE and you call someone who doesn't have it, will there be a difference in call quality?
No, but your call still will be routed on LTE, so you'll get faster downloads if you have something downloading in the background.
 
It's not a matter of disabling HD voice. It's just that it doesn't work between different carriers and not all phones support it.
No, but your call still will be routed on LTE, so you'll get faster downloads if you have something downloading in the background.
and even if you're both using VoLTE, there's no guarantee of "hd voice".
 
Why would anyone want to disable HD Voice? It sounds much better than a regular call.

I work off my cell phone for my job. There are just certain people that I just don't like to speak on the phone with. Now I have to hear them in HD? First world problems :D
 
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