Chronoswitch Downgrader : DaveeFTW : Free Download, Borrow, and Streaming : Internet Archive
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Get your homewbrew on: v3.03 PSP downgrader is released – Destructoid
Using The Universal Unbricker To Unbrick / Downgrade / Restore Any PSP To 5.00 M33-4 | Exophase Forums
How To] Downgrade Firmware on PSP Fat/Slim From 6.60 to 6.XX In Less Than 7 Minutes - YouTube
I was trying to downgrade my PSP go to 6.20, but it warned me that the [Resume game] feature would be deleted. Does that mean I won't be able to use the
Fanjita And Team Noobz Release 3.11 HEN/Downgrader » Brewology - PS3 PSP WII XBOX - Homebrew News, Saved Games, Downloads, and More!
Downgrade your PSP, from 3.03 to 1.5 - Best Tutorial - video Dailymotion