S21 No Sound / Loss of Sound on incoming/outgoing calls after SAMSUNG OTA firmware update

[padawan31]

Hello, 

What a weird issue : no sound on calls, either incoming or outgoing. I cannot hear anyone, they cannot hear me either. 

So, I do online, and what a surprise : HUNDREDS of people have the exact same issue after a SAMSUNG firmware update and still no concrete, stable, working solution at all from SAMSUNG on this one. Are you trying to sell Samsung to Elon Musk by breaking everything ? 

Does anyone (and particularly the manufacturer, yes, I'm staring at you) here have a concrete solution ? 

I mean, please, don't advise me to change from SIM 1 to SIM2, clear the Phone app cache, reboot the phone (which by the way works for a random time of hours, so I need to reboot it several times a day) , pray, invoke the Seven Gods, etc. 

Galaxy S21 5G / SM-G99B/DS

Android 13, UI 5.0

G991BXXU5DVL2

Everything worked just fine before the update. Do you guys want some advice on how to developp frameworks in an Agile/SaFE methodoly and maybe integrate non regression tests to your devops chain ??? The question is for you Samsung !

Thanks for your reply, 

[-Robot-]

This is the Samsung Community forum, Samsung isn't here to take your messages right now, please leave a message with our Support team via the members app

P.s Elon musk couldn't afford Samsung

Beeeep

[chanlerone]

+1 

I have the exact same issue. Not sure what update it was, I just unwrapped my brand new phone two weeks ago, did the necessary updates (3 in a row) and started using it. In a world where no one calls eachother anymore I did not notice this immediately, however after a few days I was bored while driving, started to call someone and was unable to hear the other side. Recieving party used a different number to call me back, nothing. Used my private SIM (using duo SIM - need to test if using only one remains working), nothing. Restarted my phone, problem solved.
One day later, problem is back, restart does the trick.

I returned my phone to the shop, they exchanged the mainboard and called it fixed, but problem just got back.

So now I start to think this is indeed a software/firmware problem. 

@padawan31 do you use duo SIM?

[Jaybee360]

Another update has been pushed by the looks of it. DWA4

[padawan31]

Hello,

Yes I use on a daily basis with work.

I don't know if that comes from the DS ..

[padawan31]

Unfortunately, the last update did not solve anything.

Any tips anyone?

[pissedoffuser]

I have the exact same problem, only happened after the last update. It is terrible and rebooting phone doesn't always sort it. It's enough to make me never buy Samsung again unless there is a fix. I have always had Samsung S models and never had a problem like this before