low microphone volume / low auto gain - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi,my N910C is currently on CM13.
after i flashed a new build my microphone stopped working, i found out that the microphone volume is very low. i tried fix it with flashing back to a older build or another rom but the volume of the microphone is still broken :crying:. i cant do phone calls or anything else, i need some advice to fix that, thank you.

solved, flashed a whole line of older builds until i found one that works

hi i have the same issue can u show me how u fixed it ?
thanks

What build did you flash ?

I think the relevant file is /etc/mixer_paths.xml

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[Q] No sound, device freezes when trying to play any sound. S4

Hello, I have a Samsung Galaxy S4 (GT-I9505) and I'm having a couple problems with it.
First the phone freezes when its turned on it using Official software or a Touchwiz rom but doesn't happen with other Roms so I'm not very bothered about that.
Secondly there is no sound coming from the device, the only sound that comes off is the booting sound when using touchwiz, I've tryed with headphones and still nothing, and If I go to music and try to play a song the phone freezes until I press the home button, It also freezes when dialing or when any other sound should be coming of the device.
I've done a lot of factory resets and tried various roms but the problem stays.
And thirdly I have no signal on the device, when I put the sim card it just says no service, to be fair the sim card is a normal sim that has been cut to fit micro sim slot, becasue its what I use on my other phone and it works, I'll try with an actual micro sim when I have one available.
I don't know it these problems could be linked, that's why I'm putting them together. I have been searching online but I can't find anything similar.
Hope someone here can help me. Thanks a lot in advice!!
Can't get arorund this!
Ok, so I'm now looking at the sound problem now, seems like there is some people having this issue when the phone freezes when the phone should be playing sound.
I've looked at several threats here and for most people flashing I9505XXUDMH8_I9505OXXDMHA_I9505XXUDMH8_HOME.tar resolved the problem, so I tried it but still no sound.
So my I9505 is now on XXUDMH8, I rooted it again and installed a custom rom since the original firmware is not working very good.
Hope someone can help me!
Can anyone help?
OK so last night I tried flashing I9505XXUEMI8_I9505OXAEMI8_I9505XXUEMI8 and after I changed the kernel I got some sound when turning the volume up and down but the phone was running very slow.
Today I tried flashing Omega rom v15 flashing the right modem for the new bootloader before flashing the zip and no sound, I tried changing the kernel, still nothing.
So now I'm in build number XXUEMJ9 and baseband MJ5.
Please I've tried everything I can think of and I can't fix this, I need help! :crying:

No sound at all on my galaxy s4

Hello,
All sounds on my galaxy s4 (gt-i9505) suddenly stopped. I dont hear any sound (buttons, mp3s,....).. The only sound I hear is sometimes within boot animation, when a booting reaches system, audio is gone. I tried many roms, many basebands, many experiments even stock roms, but nothing helped, but I noticed that audio works IN SAFE MODE!!!! So if there is BASEBAND UNKNOWN = AUDIO WORKS!!! But why? I tried many basebands/modems, but it wasn't helpful.
I flashed with Odin 3.10.6, CWM 6.0.4.4 (I cant get into another recovery after VolumeUP, so I MUST use this recovery.. I dont know why...), then I tried Omega ROM v40, v41; Phoenix ROM; GPE; some stock roms for my and other countries, but nothing helped.. Sound only in SAFE MODE, so I guess its not HW issue.
Last working configuration was on Omega ROM v40, but there have started troubles with sound..
PS: Yes, I tried a trick with headphones, that says you have to insert and pull out a jack many times and clear the hole .... didnt worked in my case.
I read many topics, but to most people helped returning to stock rom, however not in my case again...
Please help me..
thanks
I am also in the same boat as you. At the moment, I am using the S4 i9505 with Slim Rom and Open Gapps.
A while ago, I flashed TWRP and some how that fixed it for a while! But then the problem came back which is quite unfortunate. Since the phone is now mine (it was my sisters) I really want to fix this bad boy and use it (I use Xperia SP if you haven't noticed )
One question, you talked about SAFE MODE? Where can we find that? Remember, I have the same problem as you.
If I find a solution, I will PM and post here on what I did
Cheers!

Unique mic problem In CN3

Help me, guys . I have a unique microphone problem. Whenever I install stock rom the mic phone works properly. But whenever the mic of my phone gets very very low when I install a custom rom. If I reverse back to stock Rom the mic works normally. So guide me to fix this Problem. When I put the headphones it works normally.
Thanks.............
CN3 problem
I am facing the exact problems with my cn3. Did u find out the solution ?
kanewilliam said:
Help me, guys . I have a unique microphone problem. Whenever I install stock rom the mic phone works properly. But whenever the mic of my phone gets very very low when I install a custom rom. If I reverse back to stock Rom the mic works normally. So guide me to fix this Problem. When I put the headphones it works normally.
Thanks.............
Click to expand...
Click to collapse

Earpiece is not working

1. After installing custom ROM (Pixel Experience 8.1), I have noticed my earpiece (receiver) isn't working. Yesterday I tried clean flash older Lineage OS 14.1 but earpiece still not worked after that. Maybe some problem caused this while installing these ROMs, but I did clean flash (wiped dalvik/cache/data) each ROM. So I decided to try installing stock ROM, I did this with TOOL_ZUK_Z1.
I'm now back in stock firmware and stock recovery too but this not solved my earpiece. still no sound from it. I tested it with app called: "Phone Doctor Plus" and in the results only lowest frequency 300mhz (2000/8000/12000Mhz don't work) but there is still no sound I'm able to hear physically. So is there any options to try to make it work? Or maybe is hardware issue this time?
2. I still have 1 year warranty, so my second question is: will be there no problem sending it to warranty center.... when I went back to stock ROM (cm-12.1-YOG4PAS7DF) and stock Cyanogen recovery?
Sorry for my amateur level english.
Mrmagnus said:
1. After installing custom ROM (Pixel Experience 8.1), I have noticed my earpiece (receiver) isn't working. Yesterday I tried clean flash older Lineage OS 14.1 but earpiece still not worked after that. Maybe some problem caused this while installing these ROMs, but I did clean flash (wiped dalvik/cache/data) each ROM. So I decided to try installing stock ROM, I did this with TOOL_ZUK_Z1.
I'm now back in stock firmware and stock recovery too but this not solved my earpiece. still no sound from it. I tested it with app called: "Phone Doctor Plus" and in the results only lowest frequency 300mhz (2000/8000/12000Mhz don't work) but there is still no sound I'm able to hear physically. So is there any options to try to make it work? Or maybe is hardware issue this time?
2. I still have 1 year warranty, so my second question is: will be there no problem sending it to warranty center.... when I went back to stock ROM (cm-12.1-YOG4PAS7DF) and stock Cyanogen recovery?
Sorry for my amateur level english.
Click to expand...
Click to collapse
Would recommend to claim warranty. Flash stock rom, stock recovery and lock bootloader. You can use the tool for that.
Zuk Z1's main speaker is giving a low output sound.Please help me to solve this issue.

[Solved] Mic let's Axon crash and reboot

Hi,
i got a strange problem: everytime a app trying to use the mic, the phone crashes and reboots. Thats very annoying. especially If you wanna use your phone for calls
What i've done before: I used Slim5-Rom for very long.
Then i switched to Oreo custom rom for newbies. I installed the B32+B10 based EDL Package.
After ~2 weeks of usage with oreo i switched back to the Slim5-Rom. I used the Party v0.4 script/zip to remove the oreo vendor partition and flashed the Slim5-Rom afterwards.
Everything works fine (magisk, xposed, etc) but everytime a app wanna use the microphone, the phone freezes for 2-3 seconds, crashes and reboots.
I didnt droped the phone since a long time, so i dont think its a hardware issue, reasoned by this, maybe.
Its the G-Variant of the Axon 7.
Does anyone has an Idea what it could be or what to do/try?!
PS: my english isnt the best, but i hope you can understand everything :silly:
Thanks a lot,
Spillunke
EDIT: flashing a newer bootstack and modem fixed the issue. No freeze + restart when an app wanna use the microphone.
Is the Slim5 ROM a newer version ?
No.
Slim5-Rom / 7.1.1. --> Oreo Beta / 8.0 --> Slim5-Rom / 7.1.1.
can you make calls?
Your best option is to flash an original untouched firmware via EDL
if that doesn't fix it, then you mic is broken, most likely
Nope, no calls. A soon as the mic is used/activated, the phone crashes
Hmm is there a flashable B12 EDL somewhere? Cant find one.
Otherwise the Poco F1 is still ordered ;D
I take it that you did a fresh install of the ROM ?
Does it happen with all apps ?
Some info I've read says "mic issues are know in some Linux software"
Mic issues are in 7.1.1 and some Oreo builds
Yes, clean Install.
It happened to all apps, which wanna use the microphone. Dialer, recorder, WhatsApp calls / voice massages, shazam, ...
But yesterday i accidentially solved the problem:
I flashed the B12 bootstack + modem within twrp and now everything works!

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