Call quality - ASUS ZenFone 6 (2019) Real Life Review

When you call granny, does she keep saying "Huh?! Wut?!" or does the conversation flow pretty well? Rate this thread to express how you feel about the ASUS ZenFone 6 (2019)'s call quality. A higher rating indicates that calls are clear and crisp, and that regardless of background noise, you can hear the other party clearly (and with ample volume) and they can hear you.
Then, drop a comment if you have anything to add!

This is specifically for Indian variant.
just got 6z. excellent experience one issue though that incall volume is low and sounds weird. i have heard from Mr Dinesh Sharma Asus India head... its specifically done for Indian market. not so good experience while on calls.
Please confirm if anybody experienced the same.
Sent from my ASUS_I01WD using Tapatalk

I have seen a few YouTube reviews that also state that the call quality is not good due to the limited room for the speaker with the movable camera module. Just another strike against this phone.

jaseman said:
I have seen a few YouTube reviews that also state that the call quality is not good due to the limited room for the speaker with the movable camera module. Just another strike against this phone.
Click to expand...
Click to collapse
i think should be fixable through software update. Tweeted to asus India and head
Sent from my ASUS_I01WD using Tapatalk

The call quality is really not good. And while talking to someone on the phone the top part gets warm and gets warmer when the call continues. I had to intentially put the call on loudspeaker.
If anyone find the solution please help me out

prakhar goel said:
The call quality is really not good. And while talking to someone on the phone the top part gets warm and gets warmer when the call continues. I had to intentially put the call on loudspeaker.
If anyone find the solution please help me out
Click to expand...
Click to collapse
Hello namesake! Thanks for sharing your honest feedback. For me the call quality and heating issues are a deal breaker. Everything else is exactly what I'd expect from a phone

Wow , Not one good call quality review ??

is this only the india variant that is having problems?

if you hold it at 45° instead of holding it how u hold usually you will hear it better that's work around for me... earpiece is at the top and keep 1 volume down from max. Hope to get updates for the same.
Sent from my ASUS_I01WD using Tapatalk

it seems that this major issue is located in India, don't know why

kooldude7285 said:
This is specifically for Indian variant.
just got 6z. excellent experience one issue though that incall volume is low and sounds weird. i have heard from Mr Dinesh Sharma Asus India head... its specifically done for Indian market. not so good experience while on calls.
Please confirm if anybody experienced the same.
Sent from my ASUS_I01WD using Tapatalk
Click to expand...
Click to collapse
Do you have VoLTE active or not?

_jis_ said:
Do you have VoLTE active or not?
Click to expand...
Click to collapse
very much active
Sent from my ASUS_I01WD using Tapatalk

is this problem affecting only the indian variant?
Can anyone confirm if this sound quality issue during calls (due to the speaker being inside the flipcam) only affects the indian variant? I wanted to buy the global variant sold in Europe and I find it odd that no one is talking about this huge issue while calling... Especially very well known youtube reviewers.
If this affects all the variants, it's a major failure from Asus...
Anyone with a global variant (from Europe) can confirm if this is or is not an issue?

kooldude7285 said:
if you hold it at 45° instead of holding it how u hold usually you will hear it better that's work around for me... earpiece is at the top and keep 1 volume down from max.
Click to expand...
Click to collapse
I also think that many users are unaware that ZF6 must hold at its ear in a different way than they were used to with phones with a classic headphone location.
---------- Post added at 09:48 ---------- Previous post was at 09:43 ----------
HelderMF said:
Anyone with a global variant (from Europe) can confirm if this is or is not an issue?
Click to expand...
Click to collapse
I cannot confirm this problem with European distribution in O2 network. What makes it strange, in Europe, ZF6 does not support VoLTE, but it supports VoLTE in India. Yet VoLTE is supposed to improve call quality, it doesn't make sense ...
---------- Post added at 10:09 ---------- Previous post was at 09:48 ----------
ema00 said:
it seems that this major issue is located in India, don't know why
Click to expand...
Click to collapse
It will probably be the revenge of the gods for this:
https://www.xda-developers.com/asus-zenfone-copyright-india-zen/
:angel:
Anyway, something must be different in India ZF6 version...

No such issues for me here in Sweden, although I don't do so many calls using the earpiece, and I don't use VoLTE.
It's also quite loud I have to reduce the volume 1 or 2 notches below maximum.

_jis_ said:
I cannot confirm this problem with European distribution in O2 network. What makes it strange, in Europe, ZF6 does not support VoLTE, but it supports VoLTE in India. Yet VoLTE is supposed to improve call quality, it doesn't make sense ...
Anyway, something must be different in India ZF6 version...
Click to expand...
Click to collapse
Maybe because VoLTE uses a wider range of sound frequencies make the problem more apparent... Or there is some software bug/coded configuration in some operators. Do O2 supports VoiceHD codec over 3G? It should have a similar sound quality to VoLTE. VoiceHD is usually supported between compatible mobile terminals during calls between clients of the same operator.
GFX said:
No such issues for me here in Sweden, although I don't do so many calls using the earpiece, and I don't use VoLTE.
It's also quite loud I have to reduce the volume 1 or 2 notches below maximum.
Click to expand...
Click to collapse
Thank you for your feedback.
Here in Portugal we have operators that support VoLTE, although I think Asus does not currently support their VoLTE. I asked ASUS technical support about that 2.5 weeks ago without any reply yet. In Portugal we have operators, such as Vodafone, that supports VoiceHD over 3G, which gives a similar call quality to VoLTE, but only works for calls between the same operator. I also asked for VoiceHD codec support. I can live without VoLTE if, at leats, VoiceHD support is enabled. I use it for 6 years now and it really makes a huge difference.

HelderMF said:
Can anyone confirm if this sound quality issue during calls (due to the speaker being inside the flipcam) only affects the indian variant? I wanted to buy the global variant sold in Europe and I find it odd that no one is talking about this huge issue while calling... Especially very well known youtube reviewers.
If this affects all the variants, it's a major failure from Asus...
Anyone with a global variant (from Europe) can confirm if this is or is not an issue?
Click to expand...
Click to collapse
The speaker on my phone is situated on the body of the phone and not on the flip cam, other than that om running 50% call volume with no issues

leiros said:
The speaker on my phone is situated on the body of the phone and not on the flip cam
Click to expand...
Click to collapse
You are wrong, the ZF6 ear speaker is placed in the flip camera body, not in the phone body. There is only a sound grid in the phone through which the sound passes, but the sound is created in the body of the flip camera. Play some music and try to rotate the camera while listening to ear speaker, you will find out that it is designed that way I describe it.

From https://zentalk.asus.com/en/discussion/7046/call-quality-on-asus-zenfone-6z-zenfone-6
Anders_ASUS
Anders_ASUS mod
July 4 edited July 4
@shivareddy456 Some have reported that their sound improves at high volume when they put their finger on the camera module. Does this happen to you? The sound quality doesn't change on my test unit no matter if I keep my finger on it or not, but maybe it does on some units. That would explain why you think it isn't acceptable if you can hear a difference. It's never going to sound great because we didn't have much room to work with. The earpiece is located inside the camera module but it should sound acceptable and in line with the quality you get from most phones.
Click to expand...
Click to collapse
So, reduced sound quality is just a feature of this phone...

The speaker is in the camera module? Just another strike against this phone for sure. I still think my 8/256 OnePlus 6 is better than this phone top-to-bottom. Such a shame.

Related

[Q] Poor Call Quality on the Note!?

I recently read a review of the Galaxy Note by Ray S. on www.PhoneArena.com and he rates the phone a 7 out of ten and says it has poor call quality bad ear speaker and poor mic wich was very upsetting to me as I was looking to purchase one would like to know any thoughts on this from people who actually own and use this phone
I have the same question, is the in ear call volume loud enough or is it muted like on SGS 2? Did Samsung bother to put somewhat better internal speakers into this flagship phone? Can anybody honestly compare the call sound quality? I am NOT interested in music player volume quality. Thank you guys...
JGuinan007 said:
I recently read a review of the Galaxy Note by Ray S. on www.PhoneArena.com and he rates the phone a 7 out of ten and says it has poor call quality bad ear speaker and poor mic wich was very upsetting to me as I was looking to purchase one would like to know any thoughts on this from people who actually own and use this phone
Click to expand...
Click to collapse
Some times a review is afected by the proffesional in charge of the review personal oppinion don't suppose but this things happens
I have been using the Note for a couple of days now and audio quality during calls is sufficient but not great. No deal breaker for me though.
wonderwout said:
I have been using the Note for a couple of days now and audio quality during calls is sufficient but not great. No deal breaker for me though.
Click to expand...
Click to collapse
Call clarity and call loudness are 2 seperate things. Is it that its not loud but clear or vice versa. Please reply ???
Telephone calls are top notch
ankydu said:
Call clarity and call loudness are 2 seperate things. Is it that its not loud but clear or vice versa. Please reply ???
Click to expand...
Click to collapse
I find the call quality far better than any other phone I've had including SG2, Captivate and Motorola Atrix. I had to turn the volume down. It was too loud. Whoever I'm listening to comes through crisp and clear. They have no difficulty hearing me either.
Sebring5 said:
I find the call quality far better than any other phone I've had including SG2, Captivate and Motorola Atrix. I had to turn the volume down. It was too loud. Whoever I'm listening to comes through crisp and clear. They have no difficulty hearing me either.
Click to expand...
Click to collapse
More note owners please confirm this, otherwise it would definately be a dealbraker for me.
Sent from my GT-I5801 using XDA App
I've found call quality to be both loud enough and extremely clear. No issues at all.
Sent from my GT-N7000 using xda premium
Prozac69 said:
I've found call quality to be both loud enough and extremely clear. No issues at all.
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
thanks for confirming !
Sent from my GT-I5801 using XDA App
So far i would have to say the call quality is great and far better than the HTC sensation i was using. Also the actual volume available is very good with no background noise. As i think someone else mentioned i found i had to turn it down as it was a little to loud on the standard setting.
Same as S2 here, no problem at all.
I use too the mic record function for notes and it is great.
call quality and volume as good as 3GS and HD7. clarity is much better than streak even if the streak is louder. hbm-900 works fine while plantronics 975 voice is rubbish/bad and the answer button on the headset wont works.
A big thanks to all for confirming about the call quality. You all have made the deal for me !
Sent from my GT-I5801 using XDA App
I think that problem of call quality could be due to the place the Note was built. In another thread a girl from Hong Kong said that it wasn't loud enough, quite noisy on both sides. Her Note was imported from Poland.
Could some other owners confirm or deny this?
Sent from my GT-I9000 using xda premium
No issues for me too......
Someone on a another thread reported difficulty hearing people on the other end of a call using earphones/headsets. Has anyone else experienced this?
rossygnol said:
I think that problem of call quality could be due to the place the Note was built. In another thread a girl from Hong Kong said that it wasn't loud enough, quite noisy on both sides. Her Note was imported from Poland.
Could some other owners confirm or deny this?
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
It's probably the same Euro version that the majority of us have got. And therefore the same version that the majority of us are confirming that the call quality is excellent. It must be a one off issue with that particular user unfortunately.
Sent from my GT-N7000 using xda premium
Prozac69 said:
It's probably the same Euro version that the majority of us have got. And therefore the same version that the majority of us are confirming that the call quality is excellent. It must be a one off issue with that particular user unfortunately.
Click to expand...
Click to collapse
To clarify, this Hong Kong user reported poor call quality using a headset specifically. Are you saying you don't have a problem with calls using a headset? If so, that would be very reassuring.
Sebring5 said:
I find the call quality far better than any other phone I've had including SG2, Captivate and Motorola Atrix. I had to turn the volume down. It was too loud. Whoever I'm listening to comes through crisp and clear. They have no difficulty hearing me either.
Click to expand...
Click to collapse
Where did you get yours? I want one but nowhere in US carrying it now.
bigmout said:
To clarify, this Hong Kong user reported poor call quality using a headset specifically. Are you saying you don't have a problem with calls using a headset? If so, that would be very reassuring.
Click to expand...
Click to collapse
No, I just use the handset itself and call quality is just fine.
Sent from my GT-N7000 using xda premium

Earpiece quality?

I am not too impressed with the earpiece quality on the Note 4 I have here. I suspect it may be marginally faulty.
When the volume is reasonable loud (such as one or two clicks down from the top), if the person talking has quite a resonant voice, the sound is a bit rattly. I can still make out everything perfectly clearly, but it bugs me a bit.
I was curious how others found the earpiece quality on theirs?
jonstatt said:
I am not too impressed with the earpiece quality on the Note 4 I have here. I suspect it may be marginally faulty.
When the volume is reasonable loud (such as one or two clicks down from the top), if the person talking has quite a resonant voice, the sound is a bit rattly. I can still make out everything perfectly clearly, but it bugs me a bit.
I was curious how others found the earpiece quality on theirs?
Click to expand...
Click to collapse
agree. not the best i have seen. S5 sounds much better and fuller.
Same issue here. Iphome sounds much better. I swapped the sim cars and called the same person to check the sound.
One thing I have noticed is that if I play a song or a voice clip through the earpiece, it's crystal clear. It's only the phone call that's making the issue.
Sent from my SM-N910C using Tapatalk
How can you play a song through the earpiece?
Sent from my SM-N910C using XDA Free mobile app
Install an app called earpiece
Sent from my SM-N910C using Tapatalk
---------- Post added at 01:35 AM ---------- Previous post was at 01:34 AM ----------
BTW I think I have solved the issue. The call sound settings checked clear sound.
Sent from my SM-N910C using Tapatalk
The problem with call quality as is that it might be the earpiece, the voice decoder, baseband/antenna, the network, or any (or all) of the above for the person on the other network. If the other person's phone is having an issue encoding the call, yes, it could affect your phone when it decodes.
If you're going to make test calls, call a landline.
Also, go through the call settings in the phone app on your Note 4. The noise cancelling options WILL affect the voice quality, as will the post processing (There's a personalize call sound option with several options)
jonstatt said:
I am not too impressed with the earpiece quality on the Note 4 I have here. I suspect it may be marginally faulty.
When the volume is reasonable loud (such as one or two clicks down from the top), if the person talking has quite a resonant voice, the sound is a bit rattly. I can still make out everything perfectly clearly, but it bugs me a bit.
I was curious how others found the earpiece quality on theirs?
Click to expand...
Click to collapse
Same here.

Audio reproduction quality

Hi guys,
i need your opinion concerning the call quality . I have read on Android Authority Blog that the tester was not delighted by the audio feature of the Mi Mix .
He write : " Speaking of calls, there is really no other way to put it – the ceramic vibration that replaces the phone speaker is just not a good alternative. Not only because of the nature having just one piece of vibrating material, but also because it is tucked below the layer of screen and ceramic.
There is simply not enough sound emitting from the top of the phone to make calls comfortable to listen to, much less in loud environments. I moved the phone around a lot because I thought I was just landing it improperly on my ear, but it was just not loud enough for my calls" .
What's your opinion ?
Regards.
I've not really had any problem with it, it's initially quiet but if you turn up the volume it's fine. The phone can even be heard when not to your ear.
paulrgod said:
I've not really had any problem with it, it's initially quiet but if you turn up the volume it's fine. The phone can even be heard when not to your ear.
Click to expand...
Click to collapse
Yeap, I've no issues with sound so far when it comes to calls.
Music audio is pretty good too. While I'm no audiophile, it does should better than my Note 5 and Lenovo Phab 2 Pro (returned in less than a week of ownage).
I find it totally satisfactory. For sure, it is not as clear as a dedicated loudspeaker but I have had no problems hearing calls. I actually enjoy the novelty of hearing sound come out of the frame and appreciate the technology involved.
Call audio is fine.
The difference is the direction of the audio, it's not as direct to the ear as a conventional phone speaker. Not any worse or better, just different.
As mentioned here, just bump up the volume if needed & you'll be fine.
If call privacy is often a concern in an otherwise extremely quiet environment, a Bluetooth may be in order. In most other scenarios, I'd say it's a non-issue.
It works well for me & I'll take this design w/the added benefit of more display real estate every time.
Sent from my T-Mobile Samsung Galaxy Note 4 using XDA Labs
Ok Thanks guys ...
My call volume is low since start even after upping the volume.is thee anything i can do? No warranty in uae
gauravsuneja said:
My call volume is low since start even after upping the volume.is thee anything i can do? No warranty in uae
Click to expand...
Click to collapse
is there any mixer file one can modify? (would need root I guess)
(I do not own this device)
Someone mentioned to install Viper4Android if you have root to boost the sound level.

Call quality

When you call granny, does she keep saying "Huh?! Wut?!" or does the conversation flow pretty well? Rate this thread to express how you feel about the Honor 6X's call quality. A higher rating indicates that calls are clear and crisp, and that regardless of background noise, you can hear the other party clearly (and with ample volume) and they can hear you.
Then, drop a comment if you have anything to add!
did not see any issue with the call quality and its superb.
shashank1320 said:
did not see any issue with the call quality and its superb.
Click to expand...
Click to collapse
Is the signal on this phone strong?!
CronaMell said:
Is the signal on this phone strong?!
Click to expand...
Click to collapse
Yes.both the sim working fine and signal all the time ( in area where i had proper signal earlier).
In areas where i had poor signal earlier is same.
shashank1320 said:
Yes.both the sim working fine and signal all the time ( in area where i had proper signal earlier).
In areas where i had poor signal earlier is same.
Click to expand...
Click to collapse
Ok, thanks for the feedback
CronaMell said:
Ok, thanks for the feedback
Click to expand...
Click to collapse
BTW, mine is chinese variant using in India. But not facing any issue with anything...even OTA is coming...got one uodate already.. And beta EMUI 5.0 coming soon.
shashank1320 said:
BTW, mine is chinese variant using in India. But not facing any issue with anything...even OTA is coming...got one uodate already.. And beta EMUI 5.0 coming soon.
Click to expand...
Click to collapse
Thanks a lot for the precious infos
When I answer a call there is a lag between green key press and communiction start, do you notice something similar?
siggey said:
When I answer a call there is a lag between green key press and communiction start, do you notice something similar?
Click to expand...
Click to collapse
Not really..fine for me..havent noticed such lag
i also have a great call quality with this phone.
input volume through earphone mic is low
The other side always complains when i talk with earphones on with third party apps (hanoguts, skype, whatsapp etc).
Any fix to this ?
geekdeepak said:
The other side always complains when i talk with earphones on with third party apps (hanoguts, skype, whatsapp etc).
Any fix to this ?
Click to expand...
Click to collapse
Seems network issue..how about direct call on these apps without headphones on
shashank1320 said:
Seems network issue..how about direct call on these apps without headphones on
Click to expand...
Click to collapse
no issues at all. other side can hear me loud and clear.
geekdeepak said:
no issues at all. other side can hear me loud and clear.
Click to expand...
Click to collapse
Any issues with normal calling with headphone on. If no, 3rd party app issue..even customer support wont help.
shashank1320 said:
Any issues with normal calling with headphone on. If no, 3rd party app issue..even customer support wont help.
Click to expand...
Click to collapse
yes issue is there with normal csll with headphones on.
geekdeepak said:
yes issue is there with normal csll with headphones on.
Click to expand...
Click to collapse
Change headphone and see. Check with customer support or try phone reset.
shashank1320 said:
Change headphone and see. Check with customer support or try phone reset.
Click to expand...
Click to collapse
I have mi basic, mi pro, letv and lg earphones. results are same with each. i am pretty much sure it has to do with low power amp for headset connection. Low power means lower frequency response capture through the headphone mics.. Customer care cannot do much.
A friend just got the 6X and she has overall problems with the mic volume/sensitivity. Whatsapp, Threema, Audio Recorder - everywhere the recorded audio of her is very quiet compared to other phones.
Here is a comparison of whatsapp audio messages with the same distance to the mic (old = Note 2, new = Honor 6x).
On her Honor 6x it happens with all mics - the internal one as well as the headset.
Now we're wondering if it's a hardware defect or a general problem. Giving the 6x a second chance or get a different phone?
MysteriousDiary said:
A friend just got the 6X and she has overall problems with the mic volume/sensitivity. Whatsapp, Threema, Audio Recorder - everywhere the recorded audio of her is very quiet compared to other phones.
Here is a comparison of whatsapp audio messages with the same distance to the mic (old = Note 2, new = Honor 6x).
On her Honor 6x it happens with all mics - the internal one as well as the headset.
Now we're wondering if it's a hardware defect or a general problem. Giving the 6x a second chance or get a different phone?
Click to expand...
Click to collapse
Speaker volume is definitely low on 6X..many have reported the same. Apart from low volume, haven't encountered any issue.
shashank1320 said:
Speaker volume is definitely low on 6X..many have reported the same.
Click to expand...
Click to collapse
It's her mic volume that's so incredible low. When she sends people voice messages in Whatsapp or other apps we have to turn our speaker volume to max to understand her. Voice messages recorded / send from her Honor 6x are maybe 1/3 of the volume of other phones.

Poor sound quality

Just got my 6gb Variant today in grey colour, the screen is a bit too warm for my taste and turning it cooler makes it look ugly, also I think brightness is not as good as note 5 pro. it has purer whites and gets way too brighter than this phone. But I guess I can live with it given stock android is way better than ****ty miui. What is bothering me is poor audio quality in headphones and over Bluetooth too. I'm coming from iPhone and redmi note 3 and comparatively, they both get very loud than this also sound quality is superior to this phone.. I can live with other shortcomings like the poor camera (hopefully gcam will fix most of the issues there) and warmer screen but the sound quality is very important. Is there a way to fix this? or I'll have to learn to live with it :\
Root and instal v4a.
PS: For me sound quality is good even though its not loud but enough for my tastes.
arvinchugh said:
Just got my 6gb Variant today in grey colour, the screen is a bit too warm for my taste and turning it cooler makes it look ugly, also I think brightness is not as good as note 5 pro. it has purer whites and gets way too brighter than this phone. But I guess I can live with it given stock android is way better than ****ty miui. What is bothering me is poor audio quality in headphones and over Bluetooth too. I'm coming from iPhone and redmi note 3 and comparatively, they both get very loud than this also sound quality is superior to this phone.. I can live with other shortcomings like the poor camera (hopefully gcam will fix most of the issues there) and warmer screen but the sound quality is very important. Is there a way to fix this? or I'll have to learn to live with it :\
Click to expand...
Click to collapse
Me too brought the 6gb variant and flashed RR Rom. me also facing the same issue the call quality. The person at the other end of phone cant hear my voice clearly. This happens three or four times in a five minute call.
are you facing the same problem? I thought coming back to stock Rom will fix this..:crying:
GryTEcHoG said:
Root and instal v4a.
PS: For me sound quality is good even though its not loud but enough for my tastes.
Click to expand...
Click to collapse
Thanks will try it
majiglobal said:
Me too brought the 6gb variant and flashed RR Rom. me also facing the same issue the call quality. The person at the other end of phone cant hear my voice clearly. This happens three or four times in a five minute call.
are you facing the same problem? I thought coming back to stock Rom will fix this..:crying:
Click to expand...
Click to collapse
I was so busy unlocking bootloader and rooting I forgot to check the main function of it lol just tried calling and it works perfectly on my phone. I would not install any roms on this phone, buying a phone with stock android was to avoid flashing roms, as almost all roms have some issues. I'm just going to use stock firmware with root, adblocker and gcam and that's about it. I want stability more than the features. try going back to stock android with a locked bootloader and all. if that still doesn't fix it, get a replacement from Flipkart maybe there is a hardware issue with your device. The only sound issue I've is, it is not as loud as iPhone or my Redmi Note 3 but rest seems to be in order. Hope this helps. Cheers.
arvinchugh said:
What is bothering me is poor audio quality in headphones and over Bluetooth too. \
Click to expand...
Click to collapse
I faced the same issue, the audio volume and quality was low on bluetooth (Headset/Car Audio). Flashed Firehound and that problem is resolved, though the sound is still a bit bright for my taste.
majiglobal said:
Me too brought the 6gb variant and flashed RR Rom. me also facing the same issue the call quality. The person at the other end of phone cant hear my voice clearly. This happens three or four times in a five minute call.
are you facing the same problem? I thought coming back to stock Rom will fix this..:crying:
Click to expand...
Click to collapse
I am also facing the same bad call quality and low bluetooth audio.
paradise220 said:
I am also facing the same bad call quality and low bluetooth audio.
Click to expand...
Click to collapse
Your rom and kernal please
majiglobal said:
Your rom and kernal please
Click to expand...
Click to collapse
Fully stock with latest update.
Try this for wired headsets
https://forum.xda-developers.com/as...rease-audio-quality-earphonepoweramp-t3822791
paradise220 said:
Fully stock with latest update.
Click to expand...
Click to collapse
I am using RR ROM since I got this device.
Didn't check call quality for bluetooth issue in stock ROM.
I did my research and found out that call quality may get better after 3 or 4 days in stock.
Don't know about custom ROMs though.
I am going back to stock after couple of hours.
Let me check and confirm the bug.

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