Mic and sound issues with Jolla C2

Hello,
For the past few days, my Jolla C2 (5.0.0.70) has been acting strangely.
It randomly changes the sound output volume on its own, and I suspect there is a problem with the audio jack.
The internal microphone is very noisy, to the point that people I’m talking to can’t hear me, and the same thing happens when I record an audio file.
But there’s no problem with an external microphone.
However, this may also be related to the jack.
Do you know if there is any software for testing hardware under SFOS?
But maybe the problem is software-related?

Has anyone else encountered these problems with the C2?
Thanks in advance.

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In Settings → About tap fast 5 times on version ad CSD will open to test HW. It’s also posssible to start it from command line.

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Thank you for your quick and helpful advice.

I ran all the audio tests.

I discovered that there are two microphones.

Neither of them works.

It’s strange that both microphones could malfunction at the same time!

I’m at a loss.

Not strange as analog front end could start to malfunction. So I guess it’s HW. I’m sorry.

You did reboot, right?

yes, many times.

Hmm, the Jolla C2 really feels fragile, and it lives up to its reputation…

It’s the first phone I’ve ever bought new, and it lasted two months. I’m a little disillusioned.

So now I’m on the hunt for an Xperia 10III, because I’ve really taken to the Sailfish OS.

I’m also going to contact Jolla, maybe the warranty will work.

Thanks for your time.

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Of course the warranty should work! Why not?

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Did they fix the battery drain issue with Xperia 10III ?

Because almost every time I request warranty service, it doesn’t work. I hope it will be different this time

I had forgotten about this topic… Unfortunately, I didn’t look into it.
I’will..
Otherwise, an XA2…

Warranty is legal issue. So legit one should go thrue.

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