HELP I messed up my iPhone, what do I do?

OK I will cut to it, I was trying to jailbreak my iPhone and it was all going fine BUT it didn’t work and now when I try one of the other places it says it is BUT IT’S NOT, SO I do what I should and restore my iPhone but OH NO it cant restore because there is a corrupt firmware file AAAA.

So I tryed all sorts of things like resetting the media and settings inside the iPhone but nothing is working PLEEZZZ HELPP AAAAAAA (faint)