Alright, so first I want to say that I LOVE! these forums. I know I will love my stay here. Anyways, I OH SO BADLY WANT TO PUT custom firmware on my PSP. One problem, I have 3.72. (I know, it SUCKS). I have NO ACCESS to any other PSP's let alone a CFW one. Don't worry, I already know alot about CFW, I'm not that big of a n00b. So anyways, I downloaded something called Pandora's Box GUI or something. I will buy a Datel Tool Battery. Once I have the tool battery, when I make the magic memory stick, do I make it with the tool battery inside? Or a normal battery. + When I downgrade back to 1.50 with the tool battery, I will upgrade back to custom firmware, What if it bricks? Here's how I think I should do it. Make the magic memory stick with the GUI. Pop it inside the PSP with the Tool Battery. (WHAT DO I RUN AFTERWARDS?) PLEASE EXPLAIN ALOT!