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Voice QoS on VoLTE connection

In the last 1 month Not 1 useful reply or solution!!
what a useful wasted forum...
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I am having this issue with Vodafone 4G SIM. Phone auto selects VoLTE network sometimes.
I make a voice call, I get a HD symbol but the quality of the call is pathetic.
There is a constant chopper sound in the background. I always have to disconnect the call and try after some time.
Vodafone says the issue is with the MI phone instrument / software. That this phone is sold as supporting VoLTE but actually it is not.
Are they right?
Can anyone confirm whether this is a ROM issue or the hardware is really not compatible to VoLTE?
how may it get resolved?
- I guess images are not allowed in posts so skipping attachments.

Well your confusion that MiMax 2 is really not compatible with VoLTE is misplaced, sorry couldn't help you out..
Good luck with the Vodafone SIM

Xiaomi4X said:
Mi max 2 does support VoLTE for sure, someone lied to you about the device being incompatible..
Click to expand...
Click to collapse
Lying or not solution to issue is what?
What does it mean Max2 supports VoLTE?
I keep getting static humming chopping sounds on the call on VoLTE mode.

Mi 9 - Other person cannot hear me on phone calling only at certain phone number

Hi I have a Mi 9 with chinese rom, I am using it in the US, my carrier is T-Mobile.
On phone calling with certain phone number, both incoming and outgoing call, the other person cannot hear me at all, but I can hear them all right.
Does anyone has the same issue?

I am having the same issue, but I think it is with all numbers. I have an international version using the global stock rom 11.0.5. It just started a few days ago.

uncle6_hk said:
Hi I have a Mi 9 with chinese rom, I am using it in the US, my carrier is T-Mobile.
On phone calling with certain phone number, both incoming and outgoing call, the other person cannot hear me at all, but I can hear them all right.
Does anyone has the same issue?
Click to expand...
Click to collapse
This happened for me the for first time yesterday, and it didn't matter what number I called. I was able to get it back by putting the phone in speaker mode and then back out.
Still, a pretty nasty bug.

golfnz34me said:
This happened for me the for first time yesterday, and it didn't matter what number I called. I was able to get it back by putting the phone in speaker mode and then back out.
Still, a pretty nasty bug.
Click to expand...
Click to collapse
Do you have the Mi 9 as well?

uncle6_hk said:
Do you have the Mi 9 as well?
Click to expand...
Click to collapse
I do.

Question sound/mic/phoneapp bug after miui 13 update

hello everyone ,
so i have 2 10s phones . i updated mine to 13.0.6 and its fine
my brother updated his but his phone was unusable since
first his phone app stopped registering Call history. and once u make a phone call the volume of the phone just goes down to like 10% even when its at max and it stays like this until you restart
also when this happens when he sends a voicenote the voice has no sound in it
also when we try to adjust volume there are 2 level bars instead of the normal 1 (check the screenshot below)
https://imgur.com/a/PHuWsWw
when we restart the phone it works fine. but once we make a phone call the same error occurs again .. the phone is unusable
here is what i tried :
clearing cache/data of phoneapp
downgrading the phoneapp (uninstalling updates)
messing around with permissions/audio settings
then i factory reset the phone then it worked for about 10 hours
but after the 5th phone call it happend again and now it keeps happening
help please i dont want to flash an older miui version because i still have warranty

Hello, I am also using a Redmi Note 10s and after updating my phone to MiUi 13.0.6.0 I am having issues during calls as well. Whenever I call using Whatsapp or other apps (e.g Zoom) there are voice cuts so the receiver cannot hear me properly. I have ruled out weak WiFi as a problem as when I call using other devices using the same internet connection I do not face any issues during calls. I also tried testing the inbuilt microphone by sending voice messages and it seems that the mic is fine cause the voice messages are clear. I don't know what could be causing this but my guess would be that its a bug with the new MiUi version.

catfishcake said:
Hello, I am also using a Redmi Note 10s and after updating my phone to MiUi 13.0.6.0 I am having issues during calls as well. Whenever I call using Whatsapp or other apps (e.g Zoom) there are voice cuts so the receiver cannot hear me properly. I have ruled out weak WiFi as a problem as when I call using other devices using the same internet connection I do not face any issues during calls. I also tried testing the inbuilt microphone by sending voice messages and it seems that the mic is fine cause the voice messages are clear. I don't know what could be causing this but my guess would be that its a bug with the new MiUi version.
Click to expand...
Click to collapse
I have the exact same issue after updating to MIUI 13. Did you get fixed it? If YES please share it with me.

I also have the same problem..
1. Sound distorted while listening music and watching videos.
2. Mic not working properly (the other person on the call be like that I'd muted phone)
3. Youtube lags ( video not playing properly)
4. Pubg sound/mic
5. If they called me and when I answered the call.. the messenger or any social media be like app not responding.

catfishcake said:
Hello, I am also using a Redmi Note 10s and after updating my phone to MiUi 13.0.6.0 I am having issues during calls as well. Whenever I call using Whatsapp or other apps (e.g Zoom) there are voice cuts so the receiver cannot hear me properly. I have ruled out weak WiFi as a problem as when I call using other devices using the same internet connection I do not face any issues during calls. I also tried testing the inbuilt microphone by sending voice messages and it seems that the mic is fine cause the voice messages are clear. I don't know what could be causing this but my guess would be that its a bug with the new MiUi version.
Click to expand...
Click to collapse
I am also having the same issue

catfishcake said:
Hello, I am also using a Redmi Note 10s and after updating my phone to MiUi 13.0.6.0 I am having issues during calls as well. Whenever I call using Whatsapp or other apps (e.g Zoom) there are voice cuts so the receiver cannot hear me properly. I have ruled out weak WiFi as a problem as when I call using other devices using the same internet connection I do not face any issues during calls. I also tried testing the inbuilt microphone by sending voice messages and it seems that the mic is fine cause the voice messages are clear. I don't know what could be causing this but my guess would be that its a bug with the new MiUi version.
Click to expand...
Click to collapse
Facing same issue after Miui13 update. Redmi Note 10s. Other party can't hear me on the other end. Was never like that till i did the update. Xiaomi sure knows how to frustrate one. Any fix yet? Love from Nigeria.

Sadly, I am still facing the issue. My phone is useless now since I can't make calls with it. I think Xiaomi will have to send out a new update to fix the issue as it seems to be software related. So, we will have to wait till then I guess which sucks.

Stumbled on this thread after a relative complained of same issue on their Redmit Note 10s
voice cutting mid way in call, so similar mic issues as reported
On 13.06 (INDIA)
I have factory reset the phone and setup as new, issue still persists
It's out of warranty so I doubt Xiaomi will do much
What are my options, custom ROM or rollback to 12 ?

I had the same problem, only solution was to rollback to 12. Not touching 13 for now

llary_chumba said:
I had the same problem, only solution was to rollback to 12. Not touching 13 for now
Click to expand...
Click to collapse
Can you please share how did you rollback ?
Unblocking bootloader required ?

ozblogger said:
Can you please share how did you rollback ?
Unblocking bootloader required O
Click to expand...
Click to collapse
ozblogger said:
Can you please share how did you rollback ?
Unblocking bootloader required ?
Click to expand...
Click to collapse
Yes, unlocked bootloader is required. You can follow this tutorial well explained

I have the same problem with messenger and whatsapp. No solutions yet ?!

I have the same problem with all voip apps . No solutions yet ?

reboot and wipe data and it will be okay

CMM_86 said:
reboot and wipe data and it will be okay
Click to expand...
Click to collapse
Which data are we suppose to wipe?

update to 13.0.8.0 then hard reset and done

tutibreaker said:
update to 13.0.8.0 then hard reset and done
Click to expand...
Click to collapse
mic bug is fixed in 13.0.8.0 version?AAll things work fine?Please reply

$VALOARE$ said:
mic bug is fixed in 13.0.8.0 version?AAll things work fine?Please reply
Click to expand...
Click to collapse
Working perfectly now.

Ok thanks

llary_chumba said:
Ben de sorun sorunu, tek çözüm 12'ye geri gitmek. Şimdilik 13'e dokunmuyorum
Click to expand...
Click to collapse
reverting to miui 12 did it work?

Question 😠 SIM1 is dead after upgrading to UI 5.0

Hi,
After OTA to A13 (5DVJA) SIM 1 is dead most of the time.
People say they can't call me, they just leave a message.
I get a text message that somebody called me......
Never had this problem before.
Hard reset did not help.
Anyone else had this problem?

My S21 Ultra has issues, and both sim cards don't work anymore. I had to reset settings factory reset still no joy.
I left my sim in, and after several hrs, it started working!
I also set up wifi calling, which helped, and it activated the sims.
However, the reception has been extremely poor so something has been damaged by the update, I assume.

qwerty1q said:
Hi,
After OTA to A13 (5DVJA) SIM 1 is dead most of the time.
People say they can't call me, they just leave a message.
I get a text message that somebody called me......
Never had this problem before.
Hard reset did not help.
Anyone else had this problem?
Click to expand...
Click to collapse
Also, try resetting network settings

riz157 said:
My S21 Ultra has issues, and both sim cards don't work anymore. I had to reset settings factory reset still no joy.
I left my sim in, and after several hrs, it started working!
I also set up wifi calling, which helped, and it activated the sims.
However, the reception has been extremely poor so something has been damaged by the update, I assume.
Click to expand...
Click to collapse
It doesnt changes anything. Also Wifi calling is useless for me as nativ call recorded doesnt record call via wifi.

qwerty1q said:
It doesnt changes anything. Also Wifi calling is useless for me as nativ call recorded doesnt record call via wifi.
Click to expand...
Click to collapse
Wifi calling could fix the issue. Once done, you can turn off wifi calling.
Put the phone in aeroplane mode, then turn it off
Take sim tray out turn the phone off, insert sim tray then turn back on

others are reporting the same - you're definitely not alone
Nothing else works If under warranty, send to Samsung to repair

let me know if any of the solutions work

Question Bad audio in whatsapp + signal

I'm sorry in advance because I can't even think how to search or ask about this but here it goes.
My brother's note 10s audio in sim calls works fine. But when he makes a call in signal, whatsapp or google voice it drops every second or third word. We've tried multiple wifi and sim data . His wife's identical phone works without issues.
Any thoughts before we do the nuclear operation of wiping the phone and starting over?
Thanks in advance!

wantpizza said:
I'm sorry in advance because I can't even think how to search or ask about this but here it goes.
My brother's note 10s audio in sim calls works fine. But when he makes a call in signal, whatsapp or google voice it drops every second or third word. We've tried multiple wifi and sim data . His wife's identical phone works without issues.
Any thoughts before we do the nuclear operation of wiping the phone and starting over?
Thanks in advance!
Click to expand...
Click to collapse
update to latest firmware, that a firmware bug