Samsung S10+: Very loud white noise/buzz noise when calling. - Samsung Galaxy S10+ Questions & Answers

Hi Everyone
I couldn't find anything related to this problem in internet. It must not be very common.
When I call someone or I send voice messages, the only thing the other person can hear is a very loud buzz noise. I have tried to make calls using my mobile operator and also using whatsapp. I get the same issue in both scenarios.
The phone is quite new. It might be about 3 months old. And i have never dropped it. I think it looks like a hardware problem. But I would like to know if it could be a software bug or something. Any ideas?
Thanks in advance.

I've had this happen to me a few times, person onother end said they could only hear a loud buzzing/hissing sound. Could be a software glitch with the mic?
Sent from my SM-G975U using Tapatalk

dogredwing1 said:
I've had this happen to me a few times, person onother end said they could only hear a loud buzzing/hissing sound. Could be a software glitch with the mic?
Sent from my SM-G975U using Tapatalk
Click to expand...
Click to collapse
I don't discard that. But in any case I would like to find out what is causing it because I am pretty much unable to make calls. . As far as I remember, the last phone update was a few weeks ago. So I don't think that a bug with the mic was introduced then. Other people would have complained about it.
After work I will try to do a factory reset, but I prefer to avoid it if I can.

Same problem here

Related

[Q] Buzzing noise?

Has anyone else noticed a buzzing or popping sound coming from their Epic? It doesn't do it durring a call, its while its charging form my computer or even just sitting there on the table. At first I thought it had to do with the ROM I was running (Viper), but when EB13 was released, I flashed back to stock and still had the same problem.
At the moment I am rooted with CWM installed, but otherwise still stock. Have I missed a patch for this, do I have a bad phone or do I just need to try something else?
I don't hear a buzzing noise from my.phone. sorry
Sent From My Evo Killer!
I have had this happen from time to time. It was totally random. It was a slight popping sound. The first time it happened I thought I ruined my Epic by rooting and flashing a custom ROM but I rebooted and it was gone.
UFE (Unidentified Flying Epic)
Happens to me sometimes. It can get annoying... Anyone knowledgeable that can help would be appreciated.
Sent from my SPH-D700 using XDA Premium App
At least I know Im not alone in this now...glad to hear it...now if someone can tell me the cause and a solution I will be extatic!
Just to clairify, this is totally random as far as I can tell. It will go days without making any sounds and then it will come back with a vengence and make noise for hours.
I too would like a dev to chime in with a possible answer. I don't know if its app related, kernal related, etc. It would be nice to be able to narrow it down somehow. The fact that it seems so random is what worries me. I mean am I going to be using my phone some day and have a big pop and have it blow up on me? Sounds extreme but...
UFE (Unidentified Flying Epic)
this happens to me when i'm streaming over bluetooth, then take a call then end the call.
After this, the audio will not route properly and the phone's earpiece will sometimes pop and/or buzz randomly.
no fix for it yet. showed up for me on DK28 and it's been bugging me since.
Yup, a2dp is completely borked in froyo.
Sent from my SPH-D700 using Tapatalk
daddymikey1975 said:
this happens to me when i'm streaming over bluetooth, then take a call then end the call.
After this, the audio will not route properly and the phone's earpiece will sometimes pop and/or buzz randomly.
no fix for it yet. showed up for me on DK28 and it's been bugging me since.
Click to expand...
Click to collapse
Exact same problem over here! Always have to restart my phone
Sent from my SPH-D700 using Tapatalk
Ive had this problem pop up on me randomly 2 times... thought I broke my speaker or something. Nothing a reboot couldn't fix.

Phone Speaker crackling, noise, static, while screen off. (Also on call)

Easy to test, go to a very quiet room. Really quiet. Put your phone to your ear while screen off and listen. (Not phone off)
You will hear a faint sound, static, cracking well some kind of noise.
This is nothing new, and not just bound to this phone. However I had this issues only on the Nexus 4 and never noticed it on other phones I had.
It becomes a bit annoying while in call, really quiet room, and every pause, when both parties are not talking.
I think only option is learn to live with it? As if the numerous threads from N4 and other devices are true, this is a HW fault on all devices. Some ppl just do not hear it. What varies is the intensity, which ppl reported that exchanged their devices.
Is there someone on some variant not hearing it? (State your age as well)
Is there someone who exchanged their device based on this problem and got a new one with a different level of the noise?
Mine is international LG D802
I do hear the pops and squeals when I'm on a call, but not otherwise. VZW version, rooted, stock rom, "A" version of modem/radio.
Here's the thread I started: http://forum.xda-developers.com/showthread.php?t=2502265
rfarrah said:
I do hear the pops and squeals when I'm on a call, but not otherwise. VZW version, rooted, stock rom, "A" version of modem/radio.
Here's the thread I started: http://forum.xda-developers.com/showthread.php?t=2502265
Click to expand...
Click to collapse
The sound that you experience, since its through your BT as well, might be normal connection/call sounds. I have this really on all phones even sometimes on iPhone. But if its something tha tyou do not expect to hear, and have it constantly , bring it for repairs, I do not have somehting out of the ordinary in the calls, except what I described in the OP.
What I mean its really like static electricity, cracking sounds. But its faint, you won't notice it in normal environment, at least not when you do not know what to look for. There are youtube videos for the N4 with the sound I mean. cant listen to it now, as I am at work but I think something like this http://www.youtube.com/watch?v=9wOxtzStUZ4
you really need a quiet environment, put your ear to the earpiece.
Also thanks for your post!
I am on ATT and noticed this and I was thinking about returning it but I tested the display model at the ATT store and the same thing. I tested an Iphone 4s and the same thing with the earpiece. I think this is more common than people think because you really have to be in a quiet setting to actually hear it. Thanks
z45123 said:
I am on ATT and noticed this and I was thinking about returning it but I tested the display model at the ATT store and the same thing. I tested an Iphone 4s and the same thing with the earpiece. I think this is more common than people think because you really have to be in a quiet setting to actually hear it. Thanks
Click to expand...
Click to collapse
FWIW, I haven't had this issue at all since the update came out months ago. Maybe they just haven't updated the demo model in the store.
Thanks for the info are you saying you had the issue prior to KitKat and the OTA with KitKat resolved the problem
z45123 said:
Thanks for the info are you saying you had the issue prior to KitKat and the OTA with KitKat resolved the problem
Click to expand...
Click to collapse
Nope, had the issue before VZW did their radio update. No KK update for us yet.
Im on att and wish there was some sort of software patch for this
I have the same issue (internationl LG G2)
Isn't there any fix?
Mr.Kos said:
I have the same issue (internationl LG G2)
Isn't there any fix?
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Click to collapse
Different phone. Best not the LG brand?
Sent from my LG-D802 using Tapatalk
PAGOT said:
Different phone. Best not the LG brand?
Sent from my LG-D802 using Tapatalk
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Click to collapse
The thing is that before this phone I have been using the White one for 6 months and it didn't have this issue.. but 2 days ago I traded it for the Black one and now I don't know what to do.. this thing is so annoying!
rfarrah said:
FWIW, I haven't had this issue at all since the update came out months ago. Maybe they just haven't updated the demo model in the store.
Click to expand...
Click to collapse
whether you'll be kind enough to write a link for what you did two months ago, as you say it is successful and that the problem is solved. I tried to find it but I could not
goran60 said:
whether you'll be kind enough to write a link for what you did two months ago, as you say it is successful and that the problem is solved. I tried to find it but I could not
Click to expand...
Click to collapse
All I did was accept the 12B update. 24A (Kit Kat) is rolling out now, I believe.
I'm sorry for bringing this from dead, but have you guys found any solution for this? Or it's not fixable once it occurs? charging + headphones +v4a developed this bug this evening on my g2.
 @PAGOT @goran60 @pitsgraft @Mr.Kos
Closed Force said:
I'm sorry for bringing this from dead, but have you guys found any solution for this? Or it's not fixable once it occurs? charging + headphones +v4a developed this bug this evening on my g2.
@PAGOT @goran60 @pitsgraft @Mr.Kos
Click to expand...
Click to collapse
My ears or better brain adjusted... same way you adjust to every annoying sound after a while. It is there... but you stop caring - hearing it.
I do not believe there is a software fix. If your problem is the one that I described, new hw might help.
But as I said. I adjusted ...
Definitely seems to be hardware problem. If I knew about it earlier I would never connect headphones and charger at the same time. Symptoms: static noise @ approx. 120bpm from both speakers, while phone in deep sleep.
Tried uninstalling v4a drivers, app, poweramp, flashing different kernels, clearing caches, and what so not.
I don't want to raise hope, but I found temporary workaround. I'm on stock kk, and I use g2 tweaksbox and gravitybox to get statusbar aosp quicksetting tiles. There is a compass tile. If I leave it ON there is no more noise. At first I thought that maybe this prevents phone from deep sleeping, but bbs is showing that phone sleeps well. Have not tested standby battery impact yet.
Closed Force said:
I'm sorry for bringing this from dead, but have you guys found any solution for this? Or it's not fixable once it occurs? charging + headphones +v4a developed this bug this evening on my g2.
@PAGOT @goran60 @pitsgraft @Mr.Kos
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Click to collapse
Hi,
Thanks for the remainder, as I noticed latest @dorimanx kernel eliminates this (from v 8) and my itchy fingers installed Viper4Android again and yes I struck my luck the distortion starts again...
My conclusion is an option between have better audio performance in mid to high volume level. But, lived my days with G2 enjoying the distort...
Or uninstall everything about viper4android and listen to flat music beat...
And I choose ingore the distort and drive away with awesome audio performance in my bluetooth car audio....
Cheers,
Hey, do you have xposed? I noticed that if I enable compass in quicktiles, there will be no more crackling. But I'm not sure about battery. So I use this when it's quite, in the evening, and I start hearing cracks, I just turn on compass.

[Q] Noise cancellation sounds terrible

Just after getting my G2 i installed CyanogenMod 10.2 Milestone on it. I started doing some tests to see if CM could be my daily driver, and nothing really seemed to be a deal breaker, except, when i try to record videos (or I'm guessing any other sound recorder) the sound it not really that great. I went back to the stock LG software, and was hoping i only had to stay there until CM fixed the noise cancellation issue. But what do i find, the noise cancellation problem is still there.
I have been looking around here on the XDA forums, (This is my first post btw) and I came across this (what seemed like) amazing mod. http://forum.xda-developers.com/showthread.php?t=2471900 But it might just be me being a droid-noob (Have only had android for 2 weeks now), but i cant figure out how to get this to work, it even bumps up the quality of pictures and videos including other cool tweaks. I have tried installing the .zip file via CWM, but that gave me nothing, also tried installing the cameraapp.apk the thread provided, but it just refused to install.
So please, if any droid-guru can help me make my microphone sound better, (both in the stock software and in CM) i would appreciate it!
Are you using some cover on the G2 ? If so, try removing it as it might cause disturbance to the reference microphone.
SoliCall said:
Are you using some cover on the G2 ? If so, try removing it as it might cause disturbance to the reference microphone.
Click to expand...
Click to collapse
I do not have a cover or case, and I know the noise cancellation is software related. My phone is the D802, the one without a rear-facing microphone, maby that can have something to do with it?
I have the same problem witm my lg g2.After I record a video or use voice recorder the sound freezing and the quality is very poor.I thought that I have only my this problem...My phone is not rooted and I have it from yesterday morning.Today I sow this problem.I made a factory reset and the problem is not solved.Is something that I can do with this issue?
so title should be cm10.2 Noise cancellation, lol
Sent from my LG-D802
bachera said:
so title should be cm10.2 Noise cancellation, lol
Sent from my LG-D802
Click to expand...
Click to collapse
This is happening on stock, CM and PAC-man roms, so its not just a CM issue.
my bad, you can disable it from dialer however, it might be good reason to return your unit
Sent from my LG-D802
bachera said:
my bad, you can disable it from dialer however, it might be good reason to return your unit
Sent from my LG-D802
Click to expand...
Click to collapse
I have thought about that, but I've heard a few other people have this problem as well, and im 99% sure it is software related. Though to every rule there is an exception..
Just some more info. Here is a video i recorded going home from work, and as you can hear the sounds are very "Watery" or "Distorted" as many describe it. (The bad video quality is a combination of my using CM10.2, only recording in 720P and YouTubes bitrate being bad as always)
http://www.youtube.com/watch?v=mgdtWzoQkOU&feature=youtu.be
And no, I did NOT cover up any of the microphones, im 100% sure about that.
PedexGaming said:
Just some more info. Here is a video i recorded going home from work, and as you can hear the sounds are very "Watery" or "Distorted" as many describe it. (The bad video quality is a combination of my using CM10.2, only recording in 720P and YouTubes bitrate being bad as always)
http://www.youtube.com/watch?v=mgdtWzoQkOU&feature=youtu.be
And no, I did NOT cover up any of the microphones, im 100% sure about that.
Click to expand...
Click to collapse
yep, that's just this phones awful audio recording here. it's god awful. my htc rezound did the same thing, yet all the following phones i had (s3, DNA, gnex, S4) didn't do this. so it's like a 3 year old problme that LG just can't manage to fix. sigh.
jayochs said:
yep, that's just this phones awful audio recording here. it's god awful. my htc rezound did the same thing, yet all the following phones i had (s3, DNA, gnex, S4) didn't do this. so it's like a 3 year old problme that LG just can't manage to fix. sigh.
Click to expand...
Click to collapse
Then how can you explain many of the video tests on YouTube does not have this problem..? It just seems strange.
Sent from my LG-D802 using Tapatalk
PedexGaming said:
Then how can you explain many of the video tests on YouTube does not have this problem..? It just seems strange.
Sent from my LG-D802 using Tapatalk
Click to expand...
Click to collapse
Video uses the rear mic for audio zoom. Not even sure if it cancels as well like the top. Verizons model ONLY has a top. I have no distortion or watery sound when using stock recorder or on video. I however do get dead silence between some sounds, very good cancellation, sometimes a bit too much. Voice Privacy in dailer has NOTHING to do with voice cancellation. It is an algorithm used to encrypt voice communications and is worthless being hacked long ago. VS980
Steamer86 said:
Video uses the rear mic for audio zoom. Not even sure if it cancels as well like the top. Verizons model ONLY has a top. I have no distortion or watery sound when using stock recorder or on video. I however do get dead silence between some sounds, very good cancelation, sometimes a bit too much. VS980
Click to expand...
Click to collapse
I have the d802, and that does not have rear mounted microphone. So maybe it is just some bad optimization. There has got to be a way to disable the noise cancelling microphone, or use it as a secondary mic.
Sent from my LG-D802 using Tapatalk
Okay..
So basically every rom out there for the G2 has terrible sound when it comes to the microphone, but there is a fix, i'm sure!
A few weeks back i downloaded the AOSPA 4 rom for the G2 and installed it, and guess what, it removed the noise cancellation!
But after the rom was buggy here and there, I decided to live with the bad sound on CM 10.2.
Now a few weeks has gone by, and I wanted to try out the updated AOSPA 4 rom, but what is diz, the sound is terrible!?
So it seems like the whoever is in charge of the AOSPA rom for the G2 has brought back the horrible sound.
Now is there a way to get the microphone profiles from one rom over to another? I have the old AOSPA 4 rom, with the working sound on my computer, and I want to take the microphone profile, and save it, so that i can manually add it to any other rom i download in the future, because I know that roms like CM probably wont update the mic profile for one specific phone.
Hey there, I just got myself LG G2 D802 and I find the noise cancellation in videos to be extremely annoying. Do you guys know if there is a fix to it yet? Something to disable it would be awesome.
bump
Might be a HW fault or y'all are being too sensitive videos recorded with my D802 have great sound.
Sent from my LG-D802 using xda app-developers app
Well, I envy you then Here is sample from my phone (excuse my english, it is not my first language):
CLICK
In the first second you can hear 'normal' sound, then it goes down. You can hear my voice very well, so the quality of it is fine, but then you can't hear very well the scratching sounds (it cuts in and out).
And here is a source file: CLICK
Could it be really a hardware issue? Should I return the phone?
Bumping this in hopes there's been some progress on this subject? I returned two Lg G2's due rto this issue, so its definitely an issue with the phone. Thanks
sulla65 said:
Bumping this in hopes there's been some progress on this subject? I returned two Lg G2's due rto this issue, so its definitely an issue with the phone. Thanks
Click to expand...
Click to collapse
guys, anybody, Im bumping another thread just to get this issue alive, im going insane with bad recordings, I will throw the phone at the wall

[Q] Microphone Issues Like Nexus 5/Not working

Issue: LG G2 Microphone sounding muffled and like I'm meters away from it just like the recent issues on the Nexus 5.
Solutions: Speaker phone, headset w/mic and Bluetooth headset.
Tried but unsuccessful solutions: Change build.prop string for noise cancellation microphone to false. Gone to 4.2.2, 4.4.1, 4.4.2. Take Q-Tip and cleaned 3.5mm jack to see if dust or anything else was stuck. Left off for extended periods of time. Let sit in rice just in case of any moisture or condensation shorting mic.
Summary: Mic is muffled and have tried software solutions. I think it has to do with the noise cancellation mic having some kind of short or error. Speaker phone works like a charm but I don't want everyone hearing my conversations. I'm continually trying for a solution. Right now I'm going to be returning to full stock and seeing if that can help at all. I'd rather have a working phone than root honestly.... I've searched for days for solutions here and in the Nexus 5 forum because I understand that the LG G2 and Nexus 5 are a lot alike.
TLDR: Mic won't work and is muffled. Tried a lot of software fixes for G2 and Nexus 5. Any ideas guys?
Edit: Returned to stock updated to latest, love the new network logo too. Still now fix.
Wasn't the problem on nexus because there was some plastic stuck in the way?
Sent from my LG D802
I didn't see that in any of the forums. I was debating on whether of not to open my phone up for a quick overlook of the hardware I could get to. I'll do some more research. Thanks for the response!
Sent from my LG-LS980 using XDA Premium 4 mobile app
I have the same issue and it's driving me crazy. I'm on Tmobile and have the D801 variant. I notice it's random like sometimes it will work fine and the other user can hear me loud. Other times they can barely hear me and I sound really quiet or far away and muffled. I am also told that there is some slight static sound when I'm talking as well.
Similarly I found out when on speakerphone everything becomes loud and clear to them. I'd love to find out what the cause of this is. Is this hardware or software related? Is this on all G2s or just the Tmobile version? Is my phone defective?
I'm on Sprint LS980. I've tried messing with audio settings but no success. I was thinking what if there was a way to make the phone think your on speaker but use the handset speaker instead of the actual speakers. I will keep trying and see if there isn't something. This is driving me mad.
Sent from my LG-LS980 using XDA Premium 4 mobile app
for me it's the opposite when i'm on a call with some one i can barley hear them i sound muffled for them and like being very far away ! i tried to reset the phone but with no luck also i tried to search but to no vile . but when i use loudspeaker it's perfect without any problem .
am on stock not rooted ! can anyone help ?
# System props for audio
persist.audio.fluence.mode=endfire
persist.audio.handset.mic=analog
# LGE CHANGE_S, 2013-02-14, [email protected]
persist.audio.voicecall.mic=1
# LGE CHANGE_E, 2013-02-14, [email protected]
persist.audio.voice.clarity=none
# LGE CHANGE_E, 2013-05-09, [email protected]
persist.audio.aanc.enable=false
# LGE CHANGE, 2013-06-19, [email protected]
persist.audio.handset_rx_type=DEFAULT
Click to expand...
Click to collapse
This is my build prop audio settings. I've changed handset mic string from digital to analog and I just changed voicecall mic to 1 from to 0.
EDIT: Well that didn't change anything I modified the value between 0-2 and that didn't change a darn thing. If I can't get a solution soon I'm opening this bad boy up.
EDIT: I opened up my phone and disconnected some of the basic paneling on the bottom a d looked for any sort of damage but found none. I tried blowing and removing any dust or anything in that way but still no success.
BTW this phone is just as pretty on the inside as it is the outside.
Sent from my LG-LS980 using XDA Premium 4 mobile app
alvinator94 said:
This is my build prop audio settings. I've changed handset mic string from digital to analog and I just changed voicecall mic to 1 from to 0.
EDIT: Well that didn't change anything I modified the value between 0-2 and that didn't change a darn thing. If I can't get a solution soon I'm opening this bad boy up.
EDIT: I opened up my phone and disconnected some of the basic paneling on the bottom a d looked for any sort of damage but found none. I tried blowing and removing any dust or anything in that way but still no success.
BTW this phone is just as pretty on the inside as it is the outside.
Sent from my LG-LS980 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Haha nicely done. How did you go ahead and open up the phone??
Well if there is no damage, then is it safe to say that this is a software issue? Does this happen to you all the time, or occasionally like mine?
Mine is constant. I removed the sim card slot (phone off of course) by poking the hole with one of my girlfriends earrings. Trust me this gets ghettoer. Then I used my phone charger adapter and stuck it ever so slightly in the open hole just enough to where I was only touching the case and not the hardware and turned it clockwise and then took my capital one credit card and put it in the now opened slit. Then followed along the outer side of my phone. The corners are tight don't be a hero and pull it off. Go all the way around with whatever you wanna use. There is a specific tool for it but I'm impatient.
Edit: Changed String
persist.audio.spkcall_2mic=OFF
To On didn't help
Edit: Changed String
persist.audio.aanc.enable=false
To true didn't help
Any ideas? I'm pulling my hair out.
Sent from my LG-LS980 using XDA Premium 4 mobile app
How do you get to the build prop audio settings? I'm going to try to see if this works for me or not.
Sent from my LG-D801 using xda app-developers app
I wonder if anyone of you guys have done the following:
As soon as you get a muted or muffled call start Voice Recorder and record your voice to see if the problem is with the microphone itself or just the call...
Cheers!
Ekiang3050 said:
How do you get to the build prop audio settings? I'm going to try to see if this works for me or not.
Sent from my LG-D801 using xda app-developers app
Click to expand...
Click to collapse
Get ES File Explorer press go to settings on the side, turn on root explorer, mount system as all rw hit okay or save. Go to /system/build.prop and open with ES note editor. In the top right press the 3 dot button and hit edit then scroll till you see the lines I listed about system audio. Some other settings are towards the end section.
Sent from my LG-LS980 using XDA Premium 4 mobile app
Rayan said:
I wonder if anyone of you guys have done the following:
As soon as you get a muted or muffled call start Voice Recorder and record your voice to see if the problem is with the microphone itself or just the call...
Cheers!
Click to expand...
Click to collapse
Thanks for the reply man. I've done multiple recordings and have no idea what the heck is going on. I've gone to every ROM avaliable to see if there were any ones that worked but none did so I have no clue. I'm probably just gonna diagnose it as hardware.
Edit: Well good news and bad news. Bad news is I've stabbed holes in the cover to my microphone. Good news is people can hear me a little better. Progress. Heck yeah.
Sent from my LG-LS980 using XDA Premium 4 mobile app
alvinator94 said:
Thanks for the reply man. I've done multiple recordings and have no idea what the heck is going on. I've gone to every ROM avaliable to see if there were any ones that worked but none did so I have no clue. I'm probably just gonna diagnose it as hardware.
Edit: Well good news and bad news. Bad news is I've stabbed holes in the cover to my microphone. Good news is people can hear me a little better. Progress. Heck yeah.
Sent from my LG-LS980 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
So you're saying it was your case/cover that might have been the problem? You tried taking it off and making calls?
Hard for me to diagnose the problem on my end because like I said it's on an off for me. So not sure if any changes I make work, until it happens again. I'm going to try recording myself next time it happens as well.
Ekiang3050 said:
So you're saying it was your case/cover that might have been the problem? You tried taking it off and making calls?
Hard for me to diagnose the problem on my end because like I said it's on an off for me. So not sure if any changes I make work, until it happens again. I'm going to try recording myself next time it happens as well.
Click to expand...
Click to collapse
I'm not going to say that that's a solution, like I said people can hear me a little better but it did make a difference. After work or later tonight I'm going to post audio files of what I sound like with the issue.
Sent from my LG-LS980 using XDA Premium 4 mobile app
What most of the times happen to me is that the other caller hears me like if I was holding the phone far from my mouth, and other times they hear themselves like echo.
I can't reproduce the problem. It's totally random apparently. Maybe RAM memory related?
Cheers
Sent from my LG-D801 using Tapatalk
Rayan said:
What most of the times happen to me is that the other caller hears me like if I was holding the phone far from my mouth, and other times they hear themselves like echo.
I can't reproduce the problem. It's totally random apparently. Maybe RAM memory related?
Cheers
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
Maybe but not likely.
I doubt its software for me at first that seemed like the problem but I've COMPLETELY gone back to stock several times and there is still the issue. I'm going to take off my back tomorrow and do a thorough cleaning.
Edit
Sprint recently released their new network Spark to the LS980. And so I decided to go ahead and upgrade and up on doing so I found a custom ROM
http://forum.xda-developers.com/showthread.php?t=2630748
[ROM][1/30] Stock Rooted LS980ZVA [ODEX]
No in order to have the latest update and still be able to use a custom recovery there's quite a tricky process you have to downgrade the aboot in order to be able to have a custom recovery. Doing this solved my microphone issue. I do not know why but I'm not complaining.
Glad to hear that solved your issue! Maybe it was a network issue all along? I think I figured out my issue to.
Embarrassed to say, but turns out it was more a user error. I realized when I had issues it was when I was lounging around. Turns out depending on what I was doing and how I was holding the phone it would kind of cover the secondary mic on the top of the phone which was causing the issue. Can't say I've had this issue on previous phones, but seems to affect this one.
Sent from my LG-D801 using xda app-developers app
All that matters is people can hear us now.
Sent from my LG-LS980 using XDA Premium 4 mobile app
@Rayan. I got the same problem.
Verstuurd vanaf mijn LG-D802 met Tapatalk

Speaker phone problem.

Hello. I have problem with my Galaxy S5 G900H.
Whenever I turn on speaker to talk to people, the person on the other line cannot hear me properly. The sounds flickers and very distorted.
I believe something is wrong with the top microphone. Or is this software related.
Any idea would be great. Thank you.
Sent from my SM-G900H using Tapatalk
Did you tried to use another network ? If yes then its may b hardware fault. Get replacement asap.
For try you can reset your software but must backup your data first.
What it will do is reinstall software freshly which can also help to fix bugs.
Sent from my Micromax A74 using XDA Free mobile app
Mandeep148 said:
Did you tried to use another network ? If yes then its may b hardware fault. Get replacement asap.
For try you can reset your software but must backup your data first.
What it will do is reinstall software freshly which can also help to fix bugs.
Sent from my Micromax A74 using XDA Free mobile app
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Just bought S5 (SM-G900H) from India. I have the exact same problem as the OP. If I put the call on speaker the person on the other end can not hear me clearly. As such, the speaker volume is too low and feeble even if I put it on maximum volume. My wife's Moto G3 is at least three times louder. Also, I think the mic is too insensitive. Unless I speak pretty close to the mic the person on the other end can not hear me. On my previous Galaxy S2 and Xperia Z3c I could put on speaker and leave it on the table. I could be even few meters away from the phone and I could still be audible to the other person. I am in a good network (AirTel) area. You think its going to be a hardware issue and I should ask for a replacement? Or is it something that can be moded if I root? I am still on stock 4.4.2, not rooted and not having any case on the phone.

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