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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

ZT-a4d9e59b
Star I
all this problem in new Zeon 6???

ufopastel-2
Star II
So, the only way to get VoLTE and WiFi calling enabled on TMO is through rooting my phone? I'm not sure why Asus can't just implement this natively, especially since user reports show it's just on Asus's end of things.

petteyg359
Star III
ufopastel-2

So, the only way to get VoLTE and WiFi calling enabled on TMO is through rooting my phone? I'm not sure why Asus can't just implement this natively, especially since user reports show it's just on Asus's end of things.


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Typing a code into the dialer and rooting are two very different things... 🙄

skylerwolfe
Zen Master I
petteyg359

https://zentalk.asus.com/en/discussion/comment/74418#Comment_74418

Typing a code into the dialer and rooting are two very different things... 🙄


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He's right when talking about the US on TMobile (TMO) and maybe some other places. Only way is with root. The code allows you to switch on wifi calling but doesn't actually work. And it does nothing for volte.

skylerwolfe
Zen Master I
ufopastel-2

So, the only way to get VoLTE and WiFi calling enabled on TMO is through rooting my phone? I'm not sure why Asus can't just implement this natively, especially since user reports show it's just on Asus's end of things.


View post
Wish it weren't true. I assume (perhaps incorrectly) it is because of at least one of the following reasons:
It would cost money for them to do this the official "right" way.
They don't want to "risk" it not working correctly (potential incompatibility issues) and have to deal with complaints and/or any other fallout.