Is there a functional o/s for pinephone!?

[TRS-80]

did you try Lomiri / Ubuntu touch? There are many apps, and even Internet accounts work with a workaround / activation.

EDIT: Not sure if you were talking to OP or me, but since I replied already (and I feel it's relevant) I will leave my original response (below) after all. /EDIT

Thanks for the suggestion.  No I never did.  Because Debian (and thus, Mobian) are much more in line with my political beliefs re: Free Software (this is most important, for me personally).  Also, I am a Debian user everywhere else for a few years now (desktop, laptops, several SBCs running Armbian, etc.) and so I am most familiar there.[0]

In addition, the following (IMO, excellent) article I read some time ago from amosbatto really convinced me that Phosh seemed like "the right horse to back" so to speak:

The strategic advantages of Phosh for mobile Linux

And the more time passes (so far) only seems to bear out the predictions he made (now getting on almost 1 year ago).

[0] In fact, I hope to incorporate this new mobile platform into the rest of my dotfiles eventually.  Wouldn't that be nice?!  I know we are still in early days here, and there are rough edges, but it's things like that which get me very excited!  For instance, I just compiled the feature/handy branch of Dino (XMPP client) directly on the PinePhone!  Stuff like that is simply not possible on Android (without learning a lot of Java crap, which I am not interested in).  Anyway, I digress...