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> Front mic muted while closing cosmo, microphone muted when shell closed
alix
post Nov 28 2019, 05:02 AM
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Hi all, I am new to this forum and glad to be part of cosmo community!

I have my cosmo since two days and I am struggling with a strange issue regarding the front microphone -- the microphone on the shell, which you use to speak while calling someone. Mine does not work when I am calling someone, even if it works when I record my voice. When I am calling someone with my cosmo opened, the other part can hear my voice -- I close the cosmo, and the other part can not hear me anymore, I re-open the cosmo, and the person can hear me. And so on.

What I have tried until now:

- disabled all apps using the microphone but the dial app.
- inserting/resetting the SIM card (with cosmo off, or with cosmo on)
- factory reset the cosmo (5 times)
- enabling voice assistants and disabling them all
- disabling wifi and BT
- playing with the option of the front screen

Nothing has helped so far. Does anyone of you have a tip that could bring me some hints about this issue? I don't know if the cosmo has two mics, or only one, and I don't know how to debug it on android. I suspect that the mic has to switch when the case has been closed in order to get sound from the shell, and not from the screen anymore, and it gets somehow lost at it. This would mean in my case that such a switch does not work properly, and it would be a software issue (firmware). But this is a blind guess. I welcome any help, thanks and happy cosmoing.
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gidds
post Nov 28 2019, 07:13 AM
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Like the Gemini, the Cosmo has two combined mic/speakers; sound enters and exits through the rows of small holes on the ends of the unit, and through the two slots on the top near the ends.

When closed, it's intended to be used like any other phone, held roughly vertically.  In that position, the uppermost end acts as a speaker, and the lower as a microphone. 

When open on a desk, I expect it works like a laptop, with both speakers and both mics in operation.

The Gemini would occasionally get confused about which end is which, especially if you turn it while taking a call; it's possible that the Cosmo gets similarly confused, perhaps more easily in this early version.

As a workaround, try turning the unit different ways. In particular, if it's closed, and you can't hear or be heard, try holding it the other way up. And if possible, try not to switch between open and closed in the middle of a call.
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alix
post Nov 28 2019, 08:12 AM
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QUOTE(gidds @ Nov 28 2019, 07:13 AM) *
Like the Gemini, the Cosmo has two combined mic/speakers; sound enters and exits through the rows of small holes on the ends of the unit, and through the two slots on the top near the ends.

When closed, it's intended to be used like any other phone, held roughly vertically.  In that position, the uppermost end acts as a speaker, and the lower as a microphone. 

When open on a desk, I expect it works like a laptop, with both speakers and both mics in operation.

The Gemini would occasionally get confused about which end is which, especially if you turn it while taking a call; it's possible that the Cosmo gets similarly confused, perhaps more easily in this early version.

As a workaround, try turning the unit different ways. In particular, if it's closed, and you can't hear or be heard, try holding it the other way up. And if possible, try not to switch between open and closed in the middle of a call.


Thank you for your help -- unfortunately, I have been not successful: I did what you told me, I have left the cosmo closed, placed a call to a phone near to me, turned the cosmo in every possible sense, but I can not hear my voice coming to the phone I am calling. I have tried with another smartphone and with a normal line phone, nothing. It is an early stage in the life of the cosmo, but I wondered if I was the only one to get such an issue -- nobody seems to have that.

Thanks anyway.
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alix
post Nov 29 2019, 08:41 AM
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Hi all, I have got an email from PC saying that they don't know this kind of bug -- this is maybe bad news for me because it would rather points to a hardware failure. I have written an email to PC now saying what were my attempts to find a workaround for this issue. I am waiting for their answer and will keep you posted. Best
alix
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alix
post Dec 5 2019, 08:05 AM
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So it turns out that the engineers at PC don't know where the problem could come from. I am trying to get a replacement or a repair because I can not use to phone as a normal phone to place or pick up calls. If PC is kind enough to agree, I would have to wait more weeks, sadly, but I prefer a full functional hardware at the price of software glitches than the reverse. I don't blame PC, though, because I am aware of what it involves technically to produce such a complicated hardware. You can not avoid a faulty part even if you have done lot of quality tests. That's life.
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