Earlier quoted context omitted.
I beleive Android 16 now comes with termux-like Linux environment that can be enabled via developer settings menu.
(it's unreliable, see second edit) Does it? I've looked at it only briefly (like enabled it, waited a while for it to download something big, then got a basic shell) but it seemed much less capable than Termux. Can you get cell tower info or copy to clipboard for example, or use other Android APIs? Edit: looked into it a bit more, /etc/issue says it's a Debian 13 (latest stable), apt works with sudo (this is a locked…
It is very unreliable though. I hope Android 17 improves it, as other than the restart issues, I've generally found it to be very functional.