How to downgrade 3.72 OFW PSP?

is that possible?
can a pandora battery do it?

thx so much guys.
<3

you posted this in the wrong section

Would admin(s) or mods move this post.

Thanks Armed

w8 can some1 plz help idk wht 2 do?

yea pandora shud work

Old, unrelated topic

- Closed.