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Calls not received. Texts delayed.

justinleon2113
Star III
Hello. Just upgraded to the ZenFone 6 (Edition 30) over the new year and notice that many calls from family and friends are going straight to voicemail. I tested this with a friend in the room, and out of 5 attempts, only 3 made the phone ring. Many important calls for business do not ring at all. I am using Ultra Mobile (T-Mobile MVNO) and have done the usual run-around (reset phone, empty cache, check all settings for fowarding, DND, and such). Even on a fresh install, it is experiencing the same phenomenon. I tried a different phone and it seemed to consistently work...I'll keep testing.
I wanted to see if anyone else had issues with not getting calls or texts (irrespective of carrier) or if it could be just carrier issues for me. I have great coverage in my area, thus it is not like I am roaming or disconnected. Thank you for the help.
159 REPLIES 159

dt808
Rising Star I
imo we shouldn't have to do bootloader unlocking and all kinds of secret codes just to get reliable phone and text messaging. now maybe if we wanted to sideload apps or games or do some other crazy stuff then yah lol.

petteyg359
Star III
newnews

https://zentalk.asus.com/en/discussion/comment/84587#Comment_84587

If you already unlocked bootloader, you can make volte/vowifi to work easily.


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I'd hardly call that easy. Anything that involves more than just installing an app and clicking a button isn't "easy". Especially if you don't use Windows and can't use the silly person's Windows-only utilities.

AlDollaz
Star III
newnews

https://zentalk.asus.com/en/discussion/comment/84635#Comment_84635

why? There is post in xda and someone confirmed it works


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It may work in some other countries, but it doesn't work in the US (I've tried). Asus has already confirmed it isn't bringing VoLTE and WiFi calling to the Zenfone 6 in the US.

skylerwolfe
Zen Master I
AlDollaz

https://zentalk.asus.com/en/discussion/comment/84854#Comment_84854

It may work in some other countries, but it doesn't work in the US (I've tried). Asus has already confirmed it isn't bringing VoLTE and WiFi calling to the Zenfone 6 in the US.


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I thought there were at least a few people in that thread that confirmed it working on a Zenfone 6 and TMobile. Maybe I'm remembering wrong.

Rangzen
Rising Star II