N910T3 No Microphone Input - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

Since some time today I lost mic audio. when I click the mic in the google search bar, it doesn't hear anything. If I get reaalllyy up into the mic and say something it picks up words, but the text is completely wrong.
Worst yet my phone calls I can hear them great, but they can't hear me until I yell into the mic up close like I do with the google voice search.
I was on Tek rom, then flashed Pacman, back to Tek, flashed beastmode kernel, the another kernel, back to beastmode, tried every combination I can think of.
I found a thread saying the app "soundabout" that manually redirects audio could be the solution. Something about lollipop having issues transferring after headphone connection. I did use headphones for the first time on this phone today... But that was no help either
Any thoughts? I've only had the phone 2 days I the only step I've not been able to perform is to ODIN flash it with a stock firmware, because I cannot locate one. Does anyone have a lead on a T3 firmware?

To elaborate, I do have audio from mic but I wouldn't even call it 5% there. It's like 3% extremely faint.
Wife says that when I really eat the mic and talking when test calling she can hear clearly... But extremely faint. I duno what to do

wow, so there was something stuck in the second mic hole. I could see one was fine, and the stuff stuck in this mic hole was the same color as those little bands around the body that there's 2 of by the IR port and one by the Headphone port , then mirrored on the bottom. So I didn't think to try clearing that little spot out .
Aaaand now it works, so there, for anyone in the future googling and finding this issue, that did indeed help

Related

[Q] No sound from earpiece or from music, but notification/alarm/other sounds work

Hi Forum,
I orginally posted this topic on the man Q and A board but it was buried quickly with no response. Perhaps this is a better venue to ask.
My phone is roughly a year old, and today I ran into a weird and potentially phone killing problem
I received a few phone calls from my girlfriend today, the ringer rang loud and clear, but I heard no sound from my ear piece. After a few "Hello?"s, I hung up thinking it was a bad connection. Upon seeing my girlfriend afterwards, she said she heard me on my end. So I got her to call me again and I tried to use speaker phone, and I could hear her fine.
Doing some research on google, I only ran across one other person who had this problem, and upon seeing this, I tested my music player, (as theirs didn't work), and mine doesn't work either
This other person said the problem resolved itself a day later.
In short, my ear piece has no sound during a phone call and my media sound doesn't work (though it works w/ headphones.) My notification sounds and speaker phone DO work, as well as my alarms
Do the notification and speaker phone speakers come from a different place than media and ear piece speakers?
Do I have a software issue? I tried the "push the speaker down" solution but to no avail
Should I wait like the other person?
Any suggestions?
Thanks forum!
Codazzle said:
Hi Forum,
I orginally posted this topic on the man Q and A board but it was buried quickly with no response. Perhaps this is a better venue to ask.
My phone is roughly a year old, and today I ran into a weird and potentially phone killing problem
I received a few phone calls from my girlfriend today, the ringer rang loud and clear, but I heard no sound from my ear piece. After a few "Hello?"s, I hung up thinking it was a bad connection. Upon seeing my girlfriend afterwards, she said she heard me on my end. So I got her to call me again and I tried to use speaker phone, and I could hear her fine.
Doing some research on google, I only ran across one other person who had this problem, and upon seeing this, I tested my music player, (as theirs didn't work), and mine doesn't work either
This other person said the problem resolved itself a day later.
In short, my ear piece has no sound during a phone call and my media sound doesn't work (though it works w/ headphones.) My notification sounds and speaker phone DO work, as well as my alarms
Do the notification and speaker phone speakers come from a different place than media and ear piece speakers?
Do I have a software issue? I tried the "push the speaker down" solution but to no avail
Should I wait like the other person?
Any suggestions?
Thanks forum!
Click to expand...
Click to collapse
I had nearly the same issue, except mine got to the point where the speaker phone didn't work either. Music played fine, phone calls stopped working. I went through a lengthy process of accidently deleting everything I had on my phone, which lead me to buy a USB Jig, install the stock ROM and it worked perfectly. I would suggest trying this before you try and physical fixes on your phone.
Thanks for the suggestion SGT_Watkins
I am an absolute noob when it comes to this stuff. So it took me a while to even figure out what you were saying
BUT, after a whole night of reading and flashing it WAS FIXED!!!
I am quite tempted to phone Samsung and give them a piece of my mind after they told me some hardware was defective even though they clearly weren't listening to what the problem was
Thank you again!
How did you solve this?
I have the EXACT same problem on my Galaxy Nexus. I've wiped it, tried different ROMs, kernels... Nothing solves it! It's like there's a persistent software problem that survives flashing and even battery pulls.
My phone had this same issue not long ago. It was after I had used some headphones for about an hour. I work in a paper converting factory, so I assume some dust was packed in the headphone jack and made the phone think something was plugged into it. I turned my phone upside down and used a paper clip to scrape it all out (compressed air may have been safer). After a few tries, all sounds were working properly again.
Sent from my SGH-I897 using XDA

[Q] Others can't hear me

Bought Xperia Z3C and from the first day some calls didn't work well... Others couldn't hear me about 60-70% of the calls, sometimes they heard like strong wind is blowing into the mic and when I put the call on loudspeaker then it worked, they heard me loud and clear.
So I took the phone back and ordered a new one, cause I really like Z3C, even more, if it would work with no problems
So my new, second Z3C, same green beauty - but same problem! I tried repairing with the first phone and tried doing the tests, neither helped. Only this time about half of the calls act like that. Sometimes if I put the call on speaker and then back, it works again, but not always.
So my question would be - Has anyone else had this kind of problem? And if so, what did You do? Is there even anything to do? Is it hardware or software?
There is no other phone I would like but it would be silly for me to try the same thing third time.
sorry to hear that,i guess that when you take the calls ,you cover the loudspeaker at the bottom of the phone
Sent from my D5833 using XDA Free mobile app
Similar thing happened to me, I had to yell first few days untill I discovered I had a bad habit from old mobile phone.
When i talk and holding the phone, my thumb is on the one side, three fingers on the other side, but that little finger is on the bottom, like i hold the phone not to slip down.
And the mic is positioned exactly so my little finger would cover it. That was my reason people couldn't hear me.
I doubt it's your case, but try to see if you do the same thing
Agree with others -- the mic is in a slightly odd place and I had to adjust the way I hold the phone to avoid blocking it in some way. Aren't the mics usually on the bottom left instead of the bottom right like the Z3c?
exact same problem
stinarammul said:
Bought Xperia Z3C and from the first day some calls didn't work well... Others couldn't hear me about 60-70% of the calls, sometimes they heard like strong wind is blowing into the mic and when I put the call on loudspeaker then it worked, they heard me loud and clear.
So I took the phone back and ordered a new one, cause I really like Z3C, even more, if it would work with no problems
So my new, second Z3C, same green beauty - but same problem! I tried repairing with the first phone and tried doing the tests, neither helped. Only this time about half of the calls act like that. Sometimes if I put the call on speaker and then back, it works again, but not always.
----
I have the same problem in All voice communication apps and normal calls.
If i test the microphone at The built in test i get no problem but in skype, Facebook and All other things that uses my Mic it cuts off and makes a windy sound. I was allmost ripping my own head off in anger and confusion because everybody i call is making me say things 5 - 10 times. And now i see im not the only one... What to do? Great phone beside that and headphone and aux volume is adjusting it self..
Click to expand...
Click to collapse
stinarammul said:
Bought Xperia Z3C and from the first day some calls didn't work well... Others couldn't hear me about 60-70% of the calls, sometimes they heard like strong wind is blowing into the mic and when I put the call on loudspeaker then it worked, they heard me loud and clear.
So I took the phone back and ordered a new one, cause I really like Z3C, even more, if it would work with no problems
So my new, second Z3C, same green beauty - but same problem! I tried repairing with the first phone and tried doing the tests, neither helped. Only this time about half of the calls act like that. Sometimes if I put the call on speaker and then back, it works again, but not always.
So my question would be - Has anyone else had this kind of problem? And if so, what did You do? Is there even anything to do? Is it hardware or software?
There is no other phone I would like but it would be silly for me to try the same thing third time.
Click to expand...
Click to collapse
I had this kind of a problem on the latest firmware (.77) sometimes. How about you try downgrading to an older firmware? Like the .93 firmware which can also be rooted
Sent from my D5833 using XDA Free mobile app
Got the same problem. After disabling "noise cancellation" (not sure how it's named in English FW) in settings > Call problems is resolved.
But now everyone hears everything within range of the main mic and thats not cool.
Can anyone confirm its related to 23.0.1.A.5.77 Firmware?
On previous version didn't had any issues except phone went underwater and died, and new one is already on the newest fw ;/
Don't want to do root due to guarantee issues after this.
hiryu_pl said:
Got the same problem. After disabling "noise cancellation" (not sure how it's named in English FW) in settings > Call problems is resolved.
But now everyone hears everything within range of the main mic and thats not cool.
Can anyone confirm its related to 23.0.1.A.5.77 Firmware?
Click to expand...
Click to collapse
+1 the same issue,
serviceman flushed the original firmware twice
nothing helped, they even refused to refund saying that they can not identify the problem .
Farewell guaranty, I'll try CM mb that will help.
The problem is floating, suspect bad mic contact or bad capacitor installed.
both require disassembling for proof.
Service tests shows that mic is ok.
Does anyone know how to get voltage\capacity curves from mic without disassembling ? mb some test pins on the back ?
olomagik said:
+1 the same issue,
serviceman flushed the original firmware twice
nothing helped, they even refused to refund saying that they can not identify the problem .
Farewell guaranty, I'll try CM mb that will help.
The problem is floating, suspect bad mic contact or bad capacitor installed.
both require disassembling for proof.
Service tests shows that mic is ok.
Does anyone know how to get voltage\capacity curves from mic without disassembling ? mb some test pins on the back ?
Click to expand...
Click to collapse
Do you can tell what is the sound recorded by 2nd mic? Mine is very low, like almost subwoofer
And on what Firmware you are?
stinarammul said:
Bought Xperia Z3C and from the first day some calls didn't work well... Others couldn't hear me about 60-70% of the calls, sometimes they heard like strong wind is blowing into the mic and when I put the call on loudspeaker then it worked, they heard me loud and clear.
So I took the phone back and ordered a new one, cause I really like Z3C, even more, if it would work with no problems
So my new, second Z3C, same green beauty - but same problem! I tried repairing with the first phone and tried doing the tests, neither helped. Only this time about half of the calls act like that. Sometimes if I put the call on speaker and then back, it works again, but not always.
So my question would be - Has anyone else had this kind of problem? And if so, what did You do? Is there even anything to do? Is it hardware or software?
There is no other phone I would like but it would be silly for me to try the same thing third time.
Click to expand...
Click to collapse
I had this problem, people did not understand what I said, TrackID was struggling to identify music. I left a message on my mailbox and could barely hear, changing the phone position helped a bit but it was still not loud. Sent the phone in repair and now it's perfect, I can whisper and people understand me
difto said:
I had this problem, people did not understand what I said, TrackID was struggling to identify music. I left a message on my mailbox and could barely hear, changing the phone position helped a bit but it was still not loud. Sent the phone in repair and now it's perfect, I can whisper and people understand me
Click to expand...
Click to collapse
You had issues with the main mic - I do not have (luckilly) such an issue. Only 2nd has some problems, but if I launch service tests it records sounds fine. With different quality than 1st mic but records properly.
Mine was recording fine in service tests also (replay sounded ok), but it was apparently not sufficient in calls. I think the service test is very sensitive, with my repaired unit I can whisper at 10 cm and still perfectly understand on the recording.
difto said:
Mine was recording fine in service tests also (replay sounded ok), but it was apparently not sufficient in calls. I think the service test is very sensitive, with my repaired unit I can whisper at 10 cm and still perfectly understand on the recording.
Click to expand...
Click to collapse
Please post reply to those questions:
1. Do you have enabled noise-cancelling function.
2. Which mic you test in service menu?
hiryu_pl said:
Please post reply to those questions:
1. Do you have enabled noise-cancelling function.
2. Which mic you test in service menu?
Click to expand...
Click to collapse
1) Tried both, no difference
2) Tested microphone
Microphone in Z3C is the worst part of the phone
Im also have problems, or people Im talking to via phone, cause previous phone which I still have - SGS 5 mini - has very sensitive mic.
Both my phones are watter proof, also has special membrane, but when Im callling one to another difference are HUGE.
I checked 2 phones of my friends, and thier Z3C's have the same sensitivity, but the dont complain, as suppose they are usualy yelling
In SGS5mini I can rotate phone around the ear and still very louldy and clearly someone can hear me, thera are little diffrences ofcourse, but in Z3C where even when Im trying to have microphone close to mouth sound is much quieter - moving the phone little bit and conversation can be irritating.
It already pissed me off 3 times so much that I ended conversation, because of complaining of the other people.
P.S. Before someone will ask - yes, I disabled noise cancelling function from the begining, also trying different sound settings in call and sound menu.
SOLVED - at least in my case
What I did till today was:
disable any sound "improvements" in menu
cleaning microphone hole with compressed air
After test I saw little improvement, but still I was merely heard by other caller.
Looking mixer_paths.xml tried few times changing parameters and found the right one to rise sensitivity of internal mic.
Below are unchanged section that I'm talking about - in bold specific value that we can rise.
Code:
<path name="handset-mic">
<path name="adc4" />
<!-- 67 % of 124 (range 0 - 124) Register: 0x231 -->
<ctl name="DEC3 Volume" value="[B]83[/B]" />
<!-- 63 % of 19 (range 0 - 19) Register: 0x15F -->
<ctl name="ADC4 Volume" value="12" />
</path>
I choose value=92 as this found to be still safe (don't use to high values as it can damage your device) and I'm pretty happy now of my Z3C
Prepared MOD for this change to apply from recovery.
I've sent mine for repair. They said everything is ok, since repair service does not test calling in real life - just service tests, where this issue is impossible to catch. Had to ask them for "special" test - calling from my phone to somebody, and checking the difference between Noice cancelling feature turned on and off.
Hi any mod for stock ?
My wife have z3c everything was fine just one day start cut off world etc.
Will try with disabled reduce noise option
Any other solution ?
Guys I had the same problem, solved it today
Mine was running latest android 5.0.2(23.1.A.1.28) Z3 compact.
In my Music application(Walkman app updated to Music)-settings-Audio Settings- Mic sensitivity set to High.
Other person can hear me crystal clear
I suspect this is a Bluetooth related issue. I have my Bluetooth always on and when driving and calling there is no issue on car kit. I found an workaround, when calling before connected I press loudspeaker and mute unmute

Microphone doesn't work

Hey folks,
I had the problem with the stock ROM and now I have the similar problem with jackeagels 5.5.1 (SM-G800F).
My microphone works sometimes and sometimes doesn't. People I want to call can't hear me. Eventually after a few calls they do. This is a state I don't want to stay in so does one has any idea what the problem could be? A while ago I pulled some dust out of the mic hole (with a needle) but that doesn't seem to be the problem here
Mines always been dust in the hole. Get compressed air can and blast it. Very annoying.
Hey Guys!
I have a similar problem but only when I use the internal mic, the problem does not occur when I use my headset.
Sometimes, the people I'm calling say that they can hear me very quietly.
Mostly, they say that they hear a constant noise or sound like a "bom bom bom" which is in the background. I can't hear this sound myself and as I said it does not occur when the headset is plugged in.
Any help is appreciated!
Regards, Jens
What phone model? What OS?
The main mic is at the bottom, near USB port. Recording a voice note without earphone, of course, works? The mic hole is dirt or blocked somehow?
lfom said:
What phone model? What OS?
The main mic is at the bottom, near USB port. Recording a voice note without earphone, of course, works? The mic hole is dirt or blocked somehow?
Click to expand...
Click to collapse
Thanks for your reply.
It is a G800F with CyanogenMod 13.
I tested the issue after my initial post with the voice recorder in detail.
So the sound is a kind of buzzing like in the early days of mobile phones when you put your phone near a radio and you get an incoming call.
When I record with the voice recorder, then I hear the buzzing. It is stronger when I say something and quiter when I record silence. Then I also made the same test with my headset, and, unfortunately the buzzing also occured. The intensity was bit lower I think but the sound was there.
Unfortunately, I never tested it with the stock rom. Could this problem be related to a software problem? I'm not sure if I backup my CM and install a stock rom for testing...
Thx!
Yeah, the best way to mak sure it's not software is backup and going back to stock. If it still doesn't work then you have a hardware issue almost certainly...

Microphone not working in call. Please help.. :(

Suddenly my Microphone not working in call. People at the other end can't hear me at all (both normal or in speaker phone). However if I use wired headset or Bluetooth headset in call the everything is fine.It was working fine (I was at CF Rom sutl44 with exposed) then it suddenly stop working since a week ago.
My phone is Verizon Droid Turbo XT1254 bootloader unlocked with sunshine.
At first I thought that maybe my mic is dead but it is not. The voice recorder app (Hi-Q MP3 recorder) can still record from the mics without problem.
I read a lot of this issue and mostly because of software problem, so I tried all that I can think of.
I have reset my phone, even do a full wipe and start clean install but the problem still same.
I flash full stock odexed firmware (sutl44 or 49) with same result.
I flashed resurrection remix rom (the latest) still same problem.
I changed build prop as per some people suggest but still same problem.
From the hardware side, I disassembled my phone and clean mic holes, check mics condition, all seems fine. When I tried using the voice recorder it can register any sound or even touch so the mics are working and sensitive.
FYI, this phone has 5 mics, I checked and tested (with voice recording) them when I disassembled the phone. All are working fine.
I'm really desperate right now.. I love this phone and this is my main phone. I will appreciate any help or suggestions.
Maybe some ROM recommendation that may fix the mics problem.
I just flashed RR Marshmallow to see if I get any luck but unfortunately no.. mic still not working in call.
I tried to remember when this problem start to happen.. I guess it was after I install GravityBox in Xposed and start played around with the GB settings.
I have TWRP backup before I install that GB, I tried to restore the backup but still mic not working in call.
Did Xposed can change something very basic (like a 'driver' in windows) that can't be changed back by re-flash or load a TWRP backup?
Because somehow I think that this 'driver' or 'library' for mic in call is bad or gone.
Please.. any suggestion?
This might be a long shot, but I just had the same issue. After making a call using Google Hangouts, it started working again for me.
riplayne said:
This might be a long shot, but I just had the same issue. After making a call using Google Hangouts, it started working again for me.
Click to expand...
Click to collapse
I have tried that since I mic is not working.. still problem
tertiary
Remove your tertiary microphone. It is the lower right when looking at the back. After this you must ground your audio output pin or you will get buzzing sound during recordings and conversation. This pin will be lower left out of the four where microphone was removed, there will be a chevron shape beside it which is a convenient ground location. This problem as far as I can tell happened after a security update from Verizon. I realize this sounds like a bogus fix but it made my phone work GREAT. This microphone is picking up your voice as well as the main mic and causing noise reduction to the point of no audio.
snugroho3 said:
Suddenly my Microphone not working in call. People at the other end can't hear me at all (both normal or in speaker phone). However if I use wired headset or Bluetooth headset in call the everything is fine.It was working fine (I was at CF Rom sutl44 with exposed) then it suddenly stop working since a week ago.
My phone is Verizon Droid Turbo XT1254 bootloader unlocked with sunshine.
At first I thought that maybe my mic is dead but it is not. The voice recorder app (Hi-Q MP3 recorder) can still record from the mics without problem.
I read a lot of this issue and mostly because of software problem, so I tried all that I can think of.
I have reset my phone, even do a full wipe and start clean install but the problem still same.
I flash full stock odexed firmware (sutl44 or 49) with same result.
I flashed resurrection remix rom (the latest) still same problem.
I changed build prop as per some people suggest but still same problem.
From the hardware side, I disassembled my phone and clean mic holes, check mics condition, all seems fine. When I tried using the voice recorder it can register any sound or even touch so the mics are working and sensitive.
FYI, this phone has 5 mics, I checked and tested (with voice recording) them when I disassembled the phone. All are working fine.
I'm really desperate right now.. I love this phone and this is my main phone. I will appreciate any help or suggestions.
Maybe some ROM recommendation that may fix the mics problem.
Click to expand...
Click to collapse
ramseymarka said:
Remove your tertiary microphone. It is the lower right when looking at the back. After this you must ground your audio output pin or you will get buzzing sound during recordings and conversation. This pin will be lower left out of the four where microphone was removed, there will be a chevron shape beside it which is a convenient ground location. This problem as far as I can tell happened after a security update from Verizon. I realize this sounds like a bogus fix but it made my phone work GREAT. This microphone is picking up your voice as well as the main mic and causing noise reduction to the point of no audio.
Click to expand...
Click to collapse
Since it's a software based issue, flashing a ROM different from stock firmware wouldn't fix it? He said he tried flashing Resurrection Remix.
BHB27 kernel's problem
I don't read your post carefully, so I don't know if your ROM and kernel is same to me, but I have similar problem in last few days. Finally, I find the problem is the custom kernel, the lastest BHB27 kernel, when I flash the old version custom kernel, the problem is solved. I hope this information can help you.
My ROM: http://forum.xda-developers.com/droid-turbo/development/rom-mpg24-107-70-2-brazilian-6-0-1-t3426234
Kernel: http://forum.xda-developers.com/moto-maxx/development/kernel-bhb27-kernel-t3207526
The new kernels have problem, so I flash back to BHB27-Kernel-V201-8-M.zip
i was able to solve the issue by plugging in a headset and then unplugging it. sometimes some dirt/junk get stuck in there, and the phone thinks that it is plugged in, thus muting audio out except through the jack.
I have the same problem, you fixed this problem in your phone?
I try RR (Android L, M and N), CRDROID (Android N) and NX (Android M). In all of this ROMs, I have the same problem.
ramseymarka said:
Remove your tertiary microphone. It is the lower right when looking at the back. After this you must ground your audio output pin or you will get buzzing sound during recordings and conversation. This pin will be lower left out of the four where microphone was removed, there will be a chevron shape beside it which is a convenient ground location. This problem as far as I can tell happened after a security update from Verizon. I realize this sounds like a bogus fix but it made my phone work GREAT. This microphone is picking up your voice as well as the main mic and causing noise reduction to the point of no audio.
Click to expand...
Click to collapse
i had the problem where i can make calls in whatsapp without any problem but when i call using my regular cellular network (not using VOLTE), i can hear the other phone ringing but my when they pick up, i cant hear them and they cant hear me. i tried headphones and its the same thing. can hear the phone ringing but once they pick up, no sound what so ever. i just want to confirm that you and i were facing the same situation before i go ahead and perform surgery on my phone. any help will be appreciated.
---------- Post added at 01:23 AM ---------- Previous post was at 01:21 AM ----------
archnine said:
I don't read your post carefully, so I don't know if your ROM and kernel is same to me, but I have similar problem in last few days. Finally, I find the problem is the custom kernel, the lastest BHB27 kernel, when I flash the old version custom kernel, the problem is solved. I hope this information can help you.
My ROM: http://forum.xda-developers.com/droid-turbo/development/rom-mpg24-107-70-2-brazilian-6-0-1-t3426234
Kernel: http://forum.xda-developers.com/moto-maxx/development/kernel-bhb27-kernel-t3207526
The new kernels have problem, so I flash back to BHB27-Kernel-V201-8-M.zip
Click to expand...
Click to collapse
can you give more details about the problem that you faced?
After nougat update in Moto M mic not working.
I was not ready to do a factory reset. But there is no other option to fix mic issue after nougat update.
So, last night kept back up of all important folder and run factory reset without automatic restore.
Now, everything looks fine to me. Incoming and outgoing calls are working fine.
So, I am suggesting everyone to do a factory reset, this is one and only option to fix mic issue.
Thanks,
Saurav Sinha
email: [email protected]

Help with sound issue

Hope somebody can help please? My Zuk Z2 Pro has lost the earpiece sound when on a phone call. People can hear me, but I cannot hear them. I am sure its a software problem but not sure how to permanently fix it.
I ran a manual engineering test by typing *#*#1111#*#* and checked the speaker and the microphone in settings, they are fine. However, the ‘Rec’ setting wont play any sound to the earpiece.
I have read its a known issue and installing the app mswitch (keycut) worked,but it didnt. I then read about switching off "OK Google", well on a Zuk this is not easy to find, so am not even sure I was able to disable this app.
EDIT: After more investigation I have found that when I turn the voice volume up in ringer settings it does nothing, which I think may be the speaker itself. My wife has the same phone and hers works normally. There are three ringer volumes, and the middle one does nothing but I know it did yesterday
I then tried another app called "Soundabout". This worked and allowed the Rec setting in the engineering side of the phone to play a sound, like an increasing oscillalation of sound. I then restarted the phone and it worked, but not permanently. The app doesn't seem to stay working.
However, when I made a phone call the earpiece speaker still didnt work. I could not hear anybody but they could hear me.
However, it does work when headphones are plugged in.
Does anyone know if a factory reset of the software would help as I am stuck and desperate for help. It just suddenly stopped working yesterday, so am puzzled as to why. The phone is just less than 12 months old, so not particular aged and it has always been in a case and well looked after. Its running stock Android 6 with the ZUI overlay from Zuk, so no changes made to it.
I have de same problem. Two months ago the speakers decreased the volume and microphone does not work properly.
I replaced the usb + mic piece, but the problem remains the same. Now, I have ordered speakers piece, but I guess the problem will continue.
The only thing I can think is the origin of the issue could be the bluetooth earphones that in some way had changed the sound configuration.
Try to qfil ZUI 1.9, if that does ot help then its hardware problem most likely.
Tomthered1 said:
Hope somebody can help please? My Zuk Z2 Pro has lost the earpiece sound when on a phone call. People can hear me, but I cannot hear them. I am sure its a software problem but not sure how to permanently fix it.
I ran a manual engineering test by typing *#*#1111#*#* and checked the speaker and the microphone in settings, they are fine. However, the ‘Rec’ setting wont play any sound to the earpiece.
I have read its a known issue and installing the app mswitch (keycut) worked,but it didnt. I then read about switching off "OK Google", well on a Zuk this is not easy to find, so am not even sure I was able to disable this app.
EDIT: After more investigation I have found that when I turn the voice volume up in ringer settings it does nothing, which I think may be the speaker itself. My wife has the same phone and hers works normally. There are three ringer volumes, and the middle one does nothing but I know it did yesterday
I then tried another app called "Soundabout". This worked and allowed the Rec setting in the engineering side of the phone to play a sound, like an increasing oscillalation of sound. I then restarted the phone and it worked, but not permanently. The app doesn't seem to stay working.
However, when I made a phone call the earpiece speaker still didnt work. I could not hear anybody but they could hear me.
However, it does work when headphones are plugged in.
Does anyone know if a factory reset of the software would help as I am stuck and desperate for help. It just suddenly stopped working yesterday, so am puzzled as to why. The phone is just less than 12 months old, so not particular aged and it has always been in a case and well looked after. Its running stock Android 6 with the ZUI overlay from Zuk, so no changes made to it.
Click to expand...
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Finally I have found the origin of the problem. It was in the dust filters of the phone. I used an special liquid for the screen protector. Some of this liquid goes to the filters. I have cleaned this filter with a brush teeth.
It is silly and I feel dumb.
Simple fix
Please do not feel dumb or stupid as this is something we don't think about.
The problem is due to dust and fabric accumulation. I just had this problem.
The fix is simple.
Use something soft to bang your receiver. In my case i used the tip of my finger. You want to the bang to be good but not to break the glass. My finger hurts a bit so I think a small rubber hammer will do the job.
Hope this helps.
Clean earpiece protector
Hi, I had the same issue and after trying all software tweaks with no success, what I have done is use a toothbrush to clean the tiny holes from the earpiece protector. I pushed some brush bristles gently through the holes and... it worked!!!
Hope it helps.

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