Yes, I've been reading some code, need some time. I hope I could help.

date/time is at default value (year 1970) on every boot.(if offline).
https://github.com/ubports/ubports-touch/issues/5
(fixed ?)

battery meter shows half of actual charge, (50% = 100%, 40% = 80%, etc).
https://github.com/ubports/ubports-touch/issues/6

strange display issue: only wake up if power button is pressed 3 times.
https://github.com/ubports/ubports-touch/issues/65

can't play any videos using media player.
https://github.com/ubports/ubports-touch/issues/7