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Original topic:

Microphone issue using loudspeaker

(Topic created on: 19-08-2020 08:59 PM)
TheNextFederer
Journeyman
Options
Galaxy S10 Series
Hello,

When I make calls on loudspeaker the microphone cuts out intermittently and the recepient cannot hear me but I can return to the conversation by simply turning off the loudspeaker, obviously this is not convenient.

I have tried all the software fixes available but no success.

In the diagnostic menu for rcv_dual mic loopback the test does not record anything and similarly fails the interactive mic test in the online help app.

The mic does work for phone to ear calls and video recording.

All of this does not make any sense.

Samsung S10 973F
7 REPLIES 7
Din1
First Poster
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Galaxy S10 Series
same here on my new S10.
Very disappointed Samsung has such a basic problem.
Waiting anxiously for comments
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TheNextFederer
Journeyman
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Galaxy S10 Series
As this issue is intermittent I am reluctant to send my phone off to Samsung where the issue may not be detected.

I also have a problem where the the voice recorder app does not detect my voice.
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TheNextFederer
Journeyman
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Galaxy S10 Series
Apart from the microphone issue everything else about the phone is perfect.
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TheNextFederer
Journeyman
Options
Galaxy S10 Series
I think it is software related as the microphone works but has trouble switching from loudspeaker mode.
Hardware failure means that it's a level 3 soldering repair on the main board.
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TessM
Moderator
Moderator
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Galaxy S10 Series

Hey all,

 

In order to determine what the issue is with your device, please perform a hardware test on your phone. To do this dial *#0*# into your telephone keypad > tap on 'Receiver' > check whether you can hear any noise. Reboot your phone and make sure that it is on the latest software. Check to see whether there is any fluff or dirt in the earpiece. Check that the call volume is all the way up. If you have a case or cover on your phone, remove this to see whether it helps with the issue. Use the Voice Recorder app to record a message and play it back to check the sound quality. If there is no sound or if the sound quality is poor, there may be a hardware issue with your device. If this is the case the best thing to do is to take your phone to one of our Samsung Support Centres: https://www.samsung.com/uk/support/service-centre/

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TheNextFederer
Journeyman
Options
Galaxy S10 Series
Thanks Tess.

I can hear sirens on 'Receiver'
No fluff is in the ear piece
Call volume is set to maximum.

The call recorder does not record my voice.

in *#0*# Loopback test I cannot hear my voice in RCV_DualMic but I can hear my voice in SPK_2ndMic
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TheNextFederer
Journeyman
Options
Galaxy S10 Series
Turns out it was a hardware fault with the bottom microphone and my local logic board specialist replaced it fairly cheaply.
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