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VoLTE and Wifi Calling on Zenfone 6 with AT&T

Star II
Please tell us some basic information before asking for help:
Model Name:
Firmware Version:
Rooted or not:
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
What is the status on getting these working? It looks like 3g calling is going away in February 9f this year. I love my zenfone 6, the 7 and 8 flip are too big and I use a headphone jack (wireless headphones sound like crap).

Rising Star II

Thanks, I know what this thread is about, but I was hoping it might be someone from somewhere else, like Europe. I still use A10/183, so I was intrigued by your information about A11/145.

We're out of luck here. I will never again buy a phone that supports VoLTE, but not yet with my operator. And "doesn't support yet" has obviously become "will never support" for ZF6 here.

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If you look at this post VoLTE and Wifi Calling on Zenfone 8 - Page 3 — ZenTalk (, CH_ASUS said ZF6 has been certified by ATT.
And the release notes of firmware 145 says some of APNs are updated, so I guess something have happened. When I make phone call, 4G stays 4G without changing to H+ as previous firmware. The strange thing is no VOLTE/HD voice indication. I also don't have VoWiFi indication when wifi calling is enabled.