I got the sony firmare 3.30 firmware

[coolsoul]

hi i have purchased 1 psp from friend but the version is 3.30 so wanna downgrade but cant find much infos about it so plz if some 1 coul help will b great thnaks..tell me can i downgrade 3.30 or do i have to upgrade on any other firmware to downgrade + what i need to start with .. thnaks for ur time to replay n to read

[ExcruciationX]

Why the heck is this in the PS3 forum?

You'll need a Pandora's Battery. Read up on it.

[Eviltaco64]

You can also use the Lumines Exploit if you upgrade to Firmware 3.50.

All you need is a copy of the original Lumines for PSP.

[coolsoul]

if i upgrade to 350 so can i downgrade just with lummines with out pandora batteries thanks for replaying back n sorry to start the thread on wrong section