Downgrade 3.10

[fsped09]

Does anyone know if there is a way to downgrade Sony 3.10? I'd like to be able to run PSX games, but I can't figure out how to downgrade. Thanks in advance.

[lacrosix]

They r 2 ways: n i also can't do it if I had a copy of Luminiesss or if i had my very own 2nd psp which has firmware 1.50 or other custom firmware on it to have my battery PANDORAed so i can dwngrade it completely :(....must wait fo tomoro to grab fren's moded psp :)

This is where u need to upgrade ur FW to 3.50 then downgrade it wit a copy of UMD Luminies :P
ahh NOTE u have to RAD the whole guide step by step:

http://forums.exophase.com/showthread.php?t=2470

This is the Pandora bttery way but like i said u got to have another psp or fren who has 1.50 or CFW on it to help ake ur battery into a Pandora :)

http://forums.exophase.com/showthread.php?t=3238

HAPPY READING I m posting this becoz I was goin to ask that very same question 2 hrs ago LOL.....
so far bestway is to wait for fren's psp to pandora me PSP toooo YEAHH...!!! cpz no one has Lumines :P

And THANKS x3sphere for teh excellent GUIDEssss