I need help psp 4.05?

Question

I want to downgrade or put custom firmware on my psp slim version 4.05. I have a pandora's battery. Idk what to do from here. I just want to put xmb themes and iso on my psp. I just need help from here. thanks

Answer 1

http://www.youtube.com/watch?v=tpYBzq8Gx...

Watch this guys video, thats how i hacked my psp. Now i charge people to hack their psp's. If you live in chicago, ill hack it for you.