A55 Lower mic dysfunctionning

[Domoina4]

I'm writting to report I problem with my Samsung A55 lower microphone right after updating to One UI 7, 8. I tried to solve the problem with Samsung diagnostic menu but it didn't help.

I've tried to record voice via Samsung Voice Recorder, tried to record voice via WhatsApp and WhatsApp call but the microphone is still dysfunctionning. There is sound but unintelligible.
* I have tried to run in Safe mode, nothing.
* I have tried to check microphone permission, nothing.
* I have tried to wipe partition with click up + power button option still nothing.

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I have tried to contact the shop I bought the phone but said they can’t take it back however I used it less than 7 months.

26/10 9:40 PM

Votre avis nous intéresse. Vous recevrez une réponse dès que possible.

[Kendrick_Katongo]

Kindly try a reset 🔥

[SiphoMa]

I have the same phone, but I'm still using the old 6.1 software

I check everyday if there's an update, but nothing, I'm very disappointed with samsung 😔

[Domoina4]

Same phone and same issue with the lower microphone?

[khulanii]

Me too brother I still have 6.1 software

[SiphoMa]

What will be the problem for us not to update ?

[mndeni]

Same here

[SiphoMa]

What will be the problem for us not get the update

[SherlockHolmes222B]

Hi Domoina4
Since you’ve already tried Safe Mode, permissions, the diagnostic menu, and wiping cache partition, this seems less like a software permission issue and more like either a firmware/software glitch caused by the update or a hardware problem triggered or exposed after the update. Here’s a systematic approach to try before concluding it’s hardware:


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1️⃣ Test Each Microphone Separately

The Galaxy A55 has multiple microphones:

Bottom microphone (main mic, for calls/recording)

Top microphone (noise cancellation, sometimes used in video)

Secondary mic (for video and calls)


Test method:

Open Voice Recorder → select Standard recording (bottom mic) → record.

Open Video Recorder → record video using front and rear cameras. Check which mic works.


> This will confirm if it’s just the lower mic or all mics.




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2️⃣ Try a Full Firmware Reinstallation

Sometimes One UI updates introduce glitches that wiping cache can’t fix. Re-flashing the firmware can help.

Options:

Official Samsung Smart Switch (PC):

Connect phone → “Emergency Software Recovery” → follow instructions.


Odin flashing (manual, advanced):

Download official firmware for your exact model from SamMobile or Samsung Updates → flash only the PDA/AP file.



> Important: Backup all your data first.




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3️⃣ Check for Debris or Physical Obstruction

Even if it coincided with an update, sometimes tiny dust or dirt in the bottom microphone port can cause garbled sound.

Blow gently or use a soft brush.

Remove any case or screen protector that may block sound.



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4️⃣ Last Resort: Factory Reset

If firmware reinstall is not possible or inconvenient:

Backup your phone completely.

Go to Settings → General management → Reset → Factory data reset.

Test microphone before restoring apps.


> If the mic works after a clean factory reset, it was software. If still garbled, likely hardware.




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5️⃣ Hardware Possibility

If nothing above works:

The bottom mic might have failed, coincidentally after the update, or update triggered a hardware recognition issue.

Samsung service center can test the mic with their tools and replace if needed.



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💡 Extra Tip:
Sometimes, apps like WhatsApp or Voice Recorder have their own recording settings. Test the Samsung Phone app for a voice call—this is the cleanest test. If that also sounds garbled, the problem is at the mic/firmware level, not app-level.

[Tuwarh]

Maybe your mic was already broken try fixing it