[spam] [personal] information on the Unihertz Titan, a mobile phone

[k]

- escaping "no command" seems to require removing the case that came
with it, for me.  then the buttons work.
- fastboot doesn't report clearly when it lacks usb permission, it just hangs
- i'm installing the release of the open source os.

$ sha256sum treble_experimentations-v313-system-roar-arm64-ab-floss.img
e220a17b2226e84eab6258db63e3e04d7757e9a177c3a8e90333265273cb1132
treble_experimentations-v313-system-roar-arm64-ab-floss.img

- the bootloader partition and other partitions are unflashed, so i
should install e.g. twrp, too, to be in more control of these
partitions