[LG G4 H811] phone calls have no sound - LineageOS Questions & Answers

Hi,
I recently flash my phone (LG G4 H811) to Lineage 14.1. The phone works fine, everything is great, except for the fact that there is no sound when I make phone calls. The other person cannot hear me, nor can I hear them. The default dialer is set to the Google stock one. What is interesting is that I'm able to make voice calls using Skype with no problems. Please help!

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[Q] no sound to callers

I'm having a serious problem recently. When I make a call, I can hear the other caller (Hello, hello, hello?)...but they cannot hear me. This just started happening recently and it's across all ROMs. I've tried multiple AOSP ROMS as well as Stock and it's always the same. I can hear them, they can't hear me.
I thought maybe it was the microphone but it's not. They can hear me when I make Skype calls and I can make messages through Whatsapp and other messaging programs. I just can't use the phone as a phone. The mute is not on.
Any ideas? Thanks.
edit: flashtooled to stock. All working now. Weird.
D850

Headphone/earphone LG G3 Marshmallow Stock

Hi, my G3, during a call, seems to ignore the microphone of the stock earphone, sometimes. I keep hearing the person but they can't hear me back. So, if I disconnect and connect again, the mic keeps working until it turns itself off again, for no apparent reason.
Eventually it works as expected.
PS: I do not hear the crackling noise people often hears, or I don't recognize it.
I'm on stock marshmallow V30B Poland and my device is D855P (Brazil version). I didn't had this problem with other international rom versions...

LG G4 H815 sound problem during call

Hello there,
I have LG G4 H815 marshmallow 6.0 with bootloader unlocked, the screen was broken so I had to change it.
After changing the screen, whenever I call OR I have incoming call, I can't hear the speaker, sometime he can't hear me.
I checked the mic in recording its works fine, but only in calling.
Please help me
have you tried switching to loudspeaker while in call? im guessing your loudspeaker works but you've broken your earpiece speaker
ShadowsDie said:
have you tried switching to loudspeaker while in call? im guessing your loudspeaker works but you've broken your earpiece speaker
Click to expand...
Click to collapse
Yes I have, loudspeaker during in call it works well.
only problem is: when I call or receive a call., the microphone in call(the people can't hear me).
ziadmamo said:
Hello there,
I have LG G4 H815 marshmallow 6.0 with bootloader unlocked, the screen was broken so I had to change it.
After changing the screen, whenever I call OR I have incoming call, I can't hear the speaker, sometime he can't hear me.
I checked the mic in recording its works fine, but only in calling.
Please help me
Click to expand...
Click to collapse
In the call settings turn off
- Hearing aids
- Voice clarity
options, and the call sound will be perfect. This two options together makes horrible call sound.

no audio on calls

Dear fellows,
I need the the smart tech guys help,
I have d722 lg g3 smartphone with 7.1.1 android, LineAgeOS 14.1 unofficial.
For 2 weeks everything work great.
(Thanks for this great ROM !!!)
Since yesterday, I can't make regular calls,
When make a call, can't hear dialing, the call is answered by other side, and i cant hear the other side person and the other side can't hear me.
Same issue when the other side call me. (The phone is ringing, I am answering, but no sound)
But,
When making VoIP call like in whatsapp, calls work OK.
For me its look like hardware failure.
Can someone tell me what is the hardware flow of a carrier call ?
I mean , where threw pass the audio when a call accure.
Thanks in advanced for all.
Itai.

Squealing/screeching during calls

Hi,
I just got a OnePlus 7T HD1907 for my wife that I'm setting up. I've got the bootloader unlocked and LineageOS 18.1 20211121 installed (with latest open_gapps and Magisk). Everything works except for a problem during phone calls and other interactive voice type calls.
Here are the symptoms:
When I have an incoming or outgoing phone call, or a Skype call or Signal call, the person on the other end hears a squealing noise. I can hear the person on the other end normally, but they just hear this screech that goes on and on for the duration of the call, and cannot hear anything coming through the
If I change to speakerphone mode during the call, the sound of the screeching changes on the other end but still is definitely there.
When I use a bluetooth headset for the calls instead, the problem does not occur.
When I record audio using a sound recorder app, the recorded audio does not have the screech in it.
Any suggestions?
Thanks,
Elliot
Go back to stock or try another rom
Found https://gitlab.com/LineageOS/issues/android/-/issues/3752 and
https://www.reddit.com/r/LineageOS/comments/on3u7q
One suggestion on the reddit thread was to go from T-Mobile stock -> Global stock -> LineageOS. I went directly from T-Mobile stock to LineageOS.
I just tried going to global stock (problem gone) and then back to LineageOS and the problem seems gone for good.

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