I`ve got a psp with firmware 2.71 Rev HEN C , and I want to upgrade to 3.02 OE-B. I know that I need to get 3.02 OE-A first, but to upgrade to that (3.02 OE-A) do I need to get 2.71 SE or something like that? Or I can just upgrade from my 2.71 rev HEN C to 3.02 OE-A, and then to 3.02 OE-B ? :confused: