How do i fix a 3.90m33 psp?

Question

While trying to put a vista theme in my psp, my psp got messed up! Also i didn't make a flash0 backup so can any please tell me a way to fix my psp?

Answer 1

Have you looked into reparing your PSP yourself first? You can save a TON of money and time that way. If you don't know how check out http://www.squidoo.com/psp-repair They will also show you how to downgrade your firmware