mic problems

phone mic is broken

samsung galaxy6
android 7

tested with phone. other callers can not hear

restarted and powered off phone

MODEL NUMBER:
SM-G920P
LVL 1
rgb192Asked:
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RobOwner (Aidellio)Commented:
Does the mic work in other apps? e.g. Voice Recorder, Skype etc?
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rgb192Author Commented:
mic does not work with other apps

was working yesterday
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RobOwner (Aidellio)Commented:
The mic is one of those parts of the phone that isn't really configurable.

I'm sure you've tried all the obvious things like:

  • removing the battery from the phone (if possible).
  • Ultra power save mode (this will muck up where you apps are lined up on your home screen layout) will essentially disable all other apps except for the essentials.  Try making a call in this mode to see if it works


Gotta be honest, this did happen recently to me and I backed up the data and reset the phone.  If you have everything with Google then it's a pretty straightforward process without data loss and maybe only a couple of hours out of your time.

See how yougo with the suggestions above before trying it though
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rgb192Author Commented:
removing the battery from the phone (if possible).
beyond my skill level to remove battery

Ultra power save mode (this will muck up where you apps are lined up on your home screen layout) will essentially disable all other apps except for the essentials.  Try making a call in this mode to see if it works
mic works in safe mode when I hold phone at a specific angle. No background noise is picked up.
So this could be hardware/software problem
but not in regular mode
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RobOwner (Aidellio)Commented:
nevermind about the battery.  On some phones it's as easy as taking it out, however with other newer phones, the battery isn't meant to be replaced by the end user. Sounds more like the latter for you so we won't worry about that for now.

When it works at a specific angle indicates to me a hardware issue, given the physicality of the issue (loose part moving with the angle of the phone dis/connecting the mic circuit)

I'm now fairly sure that a hard reset wouldn't do anything to fix this.  Is the phone still under warranty?  Have you taken it back to where you bought it and explained the problem to them?
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MereteCommented:
If the microphone works fine while in safe mode, start uninstalling third party apps that may cause the trouble, some third party apps can control how the microphone behaves (either by corrupting its drives  ie become the default and unintentionally modify it.
Unplug any headphone or Bluetooth device connected to your phone
If you used to make calls using a headphone or a Bluetooth peripheral, try disconnecting them / uninstall any apps associated with it  to check the state of the phone’s microphone.
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RobOwner (Aidellio)Commented:
One thing that I also forgot to mention was whether you've ever had earphones break off in the headphone jack?  If there's anything in there, try and clean it out/remove it as it can affect the mic (and speakers).  Weird issue that happened to my wife recently...
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rgb192Author Commented:
earphones break off in the headphone jack?
no broken headphones

start uninstalling third party apps
which ones?
all?
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RobOwner (Aidellio)Commented:
You said the mic only works when holding the phone at different angles in safe mode correct?  Not sure that uninstalling 3rd party apps would interfere with what seems to be a hardware issue... Merete, am I missing something with that?

Personally, at this point, I would try a factory/hard reset to reload the android system.  Here's how to do it on your model: http://www.hardreset.info/devices/samsung/samsung-g920p-galaxy-s6/hardreset/first-method/

*PLEASE* make sure you're all backed up using samsung backup and/or google backup
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MereteCommented:
Lets break down what safemode is, safemode is a diagnostic version of the OS running minimal everything so we can get exclusive access to troubleshoot.
rgb192 ( author) confirmed that mic works in safe mode quote: when I hold phone at a specific angle. so when apps are nolonger accessing anything it works?
Did you turn on Google Apps
What I am referring to ( devices that connect to your mobile device can install drivers and apps possibly altering how the default onboard mic of your mobile device and it's functions.
Do you see the mic listed on screen? on your keyboard?
Check the settings?

Take for example I am on a desktop and purchased a Logitech HD Pro Webcam C920.
Now I had 2 choices when using it, as it is USB I plug it in play, ( USB is plug and play) or install the drivers that then included the software with it.
The software provides to us settings and options to change and modify how the camera/ mic  function, which mic to use instead of the built into your mobile device functions.
Possibly the mic volume has been turned down or the mic itself is faulty,
you installed some software that came with a headset and Mic ?
Test things,
think about what you or anyone else did that could have modified the settings.
Have you used a headset with inbuilt mic? plugged in?
Plugged in a secondary mic?

The builtin mic may have been disabled and you are then required to to restore it / turn it back on?
and not use a headset with built in Mic or a secondary mic?
You could try these if you dont have the manual that came with your mobile.
Go to settings>General<system<language and input<voice input< then you need to select "basic Google recognition", then "re-select Enhanced Google Service". It then says attention and says this function will be turned on, and the mic will re-appear on the keyboards!!!
How To Fix A Galaxy S6 Microphone Problem
https://www.technobezz.com/how-to-fix-a-galaxy-s6-microphone-problem/
 Please let us know if you have used any other devices?
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rgb192Author Commented:
Go to settings>General<system<language and input<voice input
no voice input
Have you used a headset with inbuilt mic? plugged in?
Plugged in a secondary mic?
yes
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RobOwner (Aidellio)Commented:
Looks like time for a hard reset.  Let me know how you go.
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MereteCommented:
On a hunch I would ask why you needed to use a second mic? Is it because the inbuilt mic was faulty?
And that led to this?
Meaning you had a problem previously?
You have disconnected the secondary mic?
That in itself should have resolved it.
First removing the battery from the phone for 30 seconds and then turning it back on should reset it to the default.
Can't really advise if you dont provide the details needed.
Have it been dropped in water?
When did the problem with the inbuilt mic start before the second mic was added? or after?
 Use the recorder app on your device to record a short audio clip. Just talk something for 10 secs
Replay the clip.
If you can hear the sound clearly, it means that the microphone is working fine.
 If you still can't hear the sound well or at all, then do a reset as suggested by Rob.
that is a factory reset note,  after you do the factory reset, all you data on the device are erased>so backup first
If it still persists it means that the microphone is  probably damaged and consider getting it checked by the repair experts.
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RobOwner (Aidellio)Commented:
First removing the battery from the phone for 30 seconds and then turning it back on should reset it to the default.
The battery is sealed inside the device.  I've got the same phone.

Great suggestions by Merete.  Please let us know how you go.
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RobOwner (Aidellio)Commented:
how did you go with our suggestions?
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rgb192Author Commented:
I may need to do factory reset

thanks for all the testing options
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