What firmware version? I haven’t broke my Vita so I don’t really have the fixing experience, but maybe reinstalling the firmware could help https://cimmerian.gitbook.io/vita-troubleshooting-guide/serious-problems/bootloop
Assuming you use a non-permament hack that you can’t exactly use now, I’m not sure how you could put the files there if you got them.

seeing this over at kbin.cafe

hmm… seems like a nice kid (although a prankster) then there’s being controlled part and there’s also what happens at the chapter end - I feel it’s too early to judge