[frameworks-solid] [Bug 497140] USB detecting Android phone as Portable Media Player and not mounting it

[John]

https://bugs.kde.org/show_bug.cgi?id=497140

--- Comment #8 from John <ilikefoss at waterisgone.com> ---
(In reply to Rafael Linux User from comment #7)
> In my case (samsung Galaxy S20FE) appear to solid command like:
> ................................................
> If you think is usefull, here you have it.
I don't know if it's useful or not or how useful it is, as I'm not a developer.
But in my opinion, it cannot harm to have as much details as possible.
And since on some distros and some devices it works and on others it doesn't,
we can only get to the source of problems by comparing the differences that we
see.

Only things that I find strange from your output are:

  description = 'Reproductor multimedia portátil' (string)
Compared to:
  description = 'SAMSUNG_Android' (string)

  PortableMediaPlayer.supportedProtocols = {'storage'} (string list)
Compared to:
  PortableMediaPlayer.supportedProtocols = {'mtp'} (string list)

For the first difference, I would try to switch the OS back to English (US or
UK) and reboot.
I find it weird that is not saying SAMSUNG_Android too. Maybe there's some name
matching somewhere in the code that fails with seeing a translated string, even
though that should not be translated, but who knows, translators can make
mistakes too if they translate or delete placeholders.

For the second difference, I don't think there's anything you can try, outside
from enabling the "Developer options" and check if the " DefaultUSB
configuration" is set to "Transferring files".
It's strange that it says storage, which I assume it was how very old phones
(like 10 years or so, maybe more) did it before the MTP protocol appeared.

AFAIK, with MTP the phone does the mounting of its internal storage or microSD
disk and intermediates all connections form the computer so the devices can be
disconnect at any time with being "safely removed"
Before, it was a big problem as you had to close the connection (safely remove)
the storage mounting from the phone before disconnecting and maybe that
"storage" is hinting.

S20 is pretty new, so I don't see why it's not shown as MTP.
If you don't have any banking app or other app that requires the most secure
and most untouched OS, then maybe you can enable the developer options and
check what it's the default USB configuration. 

Bit since this worked before, it's probably not the phone the culprit, but
someting in KDE software or in the distro changes or building of packages.

Sorry I cannot help with this!

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