I'm trying to decrypt fw updates (just out of curiosity and investigation) but, all methods I try, fails. I want to know if someone knows how to do it. (Sorry if this sounds stupid lol)

From what I know, you need to use HacTool.I'm trying to decrypt fw updates (just out of curiosity and investigation) but, all methods I try, fails. I want to know if someone knows how to do it. (Sorry if this sounds stupid lol)