Microphone issue using loudspeaker - Samsung Galaxy S10 Guides, News, & Discussion

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 Samsung online interactive app.
The mic does work for phone to ear calls and video recording.
All of this does not make any sense.
Samsung S10 973F

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Check for update
Check for update on your phone...I had same issue. In my case, the speaker stopped working while video calling, be it whatsapp video call or zoom call.

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