[RN4 SD 4/64GB] Called person don't hear me - Xiaomi Redmi Note 4 Questions & Answers

Hello
i've notice a strange problem on a RN4 4/64GB (with stock ROM MIUI no problem)
with a custom ROM (i tried ROM nougat RR, Slim and ROM Oreo LOS) when i call or when a person call me, the person don't hear me (and me i hear the person well).
i test the microphone and it works, i can record me...
the strangest is the calling work great with MIUI...
Thanks for your help...

ok i found the solution on this thread : https://forum.xda-developers.com/redmi-note-4/help/bug-t3630473/page8

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[Q] SGII Speakerphone silent in call

Hi, I'm having a strange problem not hearing anything in loud calls.
The scenario is following: I dial the number, the other party picks up (or the other way round), I switch to loud speaker and...can hear nothing (neither from the earspeaker, nor from the loudspeaker). Microphone works normally as it should in the loud call - the other party hears fine. Normal calls (not loud ones) also work fine. Speaker itself is also working - ringtones, music are played.
I'm on the newest AOSP Neatrom 8.0st (KK 4.4.4) and Apolo Kernel 7.1. No other issues so far.
I'm quite new to custom ROM/kernel flashing, also I only recently got my hands on Samsung GII. Sorry if this is a stupid question. No reasonable search effort gave me good results. I'm asking this before I ruin my successful combination of ROM/kernel flashing another ones.
Thanks. Martin
Ok, problem solved by clean re-flash of ROM and kernel.
Still I would like to understand where the problem could have been. Just if it reappears...

Change Phone App from ROM

Hi, I have issues with my microphone, like thisPlease help with microphone., so I have tried many ROM because my microphone work fine, his don't have any problem, only when I call. (whatsapp call, recorder, it's fine, the sound is good).
Then I found MIUI 9 ROM, and the microphone work fine... but this ROM have older patch securities and I don't like... so I would like left his call app in Pixel Rom for example...
Thanks

Absurd problem with the microphone

Hello everyone thanks for the admission to the group,
I recently bought a xiaomi redmi note 4 global (4ram 64gb) but the problems.
I flashato the rom pixel expirience but I do not want the microphone in the audio (calls, telegram, whatsapp, recordings, programs to test the microphone) but when I make a video the voice is heard, thinking it was a problem of the rom I tried with the resurrection remix OS (nougat), aosp (oreo) cardinal (oreo) but also the same problem no audio yes video.
Tired of being quite strange situation, I turned MIUI 9 off and everything works.
Can you explain to me why this thing?
PS.I have given access to the microphone in all the apps mentioned above for the various tests
Thanks to those who will answer and apologize for my english,
Davide
fonta94 said:
Hello everyone thanks for the admission to the group,
I recently bought a xiaomi redmi note 4 global (4ram 64gb) but the problems.
I flashato the rom pixel expirience but I do not want the microphone in the audio (calls, telegram, whatsapp, recordings, programs to test the microphone) but when I make a video the voice is heard, thinking it was a problem of the rom I tried with the resurrection remix OS (nougat), aosp (oreo) cardinal (oreo) but also the same problem no audio yes video.
Tired of being quite strange situation, I turned MIUI 9 off and everything works.
Can you explain to me why this thing?
PS.I have given access to the microphone in all the apps mentioned above for the various tests
Thanks to those who will answer and apologize for my english,
Davide
Click to expand...
Click to collapse
After installing custom rom you can try using a module from magisk "android mic fix". Although the description specifies that will repair low volume on the mic. Just check if you're recording anything with the mic at all or just the volume is really low that it should be.
thanks for your answer,
no the microphone is not low just do not go. magisk no let me install due to an unknown ERROR 1 (version 15.3 / 15.4).

Problem with MIC on Bluetooth headset

Hi guys.
I have a problem with my bluetooth headset.
If I call to someone I have good sound and the person on the other side to.
Till someone try to call me. Then I have a good sound, but second person doesn't. It seems like i will be far away from MIC on windy day and it's impossible to understand what I'am saying.
After that when I tried to call someone the bug is still there till I wipe cache.
After wipe I can call as many times as i want without bug, till someone calls me. Then I can remove the bug only through wipe cache.
I checked on Galaxy S5, and there is no problem with that.
About 2 months ago I had a Resurrection Remix on my Kiw-L21 and everything was working fine. Then I tried Lineage OS, and problem shows up. When I back to RR, problem was still there. Now I've got crDroid, and problem won't disapear.
So i would like ask you for help, what should I do?
P.S This is my first post so I'm sorry for my english. I was lazy bastard at school on english lessons
edit
I think i found a solution for my problem. I had to downgrade AudioFX. Now I have installed LineageOS 14.1 with AudioFX 1.8 version and it works fine. The only thing is that sometimes when someone's calling i have to change bluetooth option to speaker and back to bluetooth to have sound on my headset.

IMO microphone not working

Hi Dear
I have flashed Resurrection Remix for my note 3 pro 8.7.0 build. I can make normal call no problem been seen while conversation but in imo boatim whatsup I can hear voice from other side but they cant hear me. How could I fix it?

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