PSP Custom Firmwares 6.20 ME-1.9 and 6.20 LME-1.9 (with perma patch) are now available! - Wololo.net
PSP 1001 (Phat) Neptune Black [6.20 FW] 30 Games 4GB Memory, Video Gaming, Video Game Consoles, Others on Carousell
6.20 Firmware now available for PSP | Pocket Gamer
PSP Custom Firmwares 6.20 ME-1.9 and 6.20 LME-1.9 (with perma patch) are now available! - Wololo.net
Free Mobile Gaming - PSP (L)ME Firmware 6.20--2.2, 6.39-10.2, 6.60-2.2: Bug Fixes For The Ultimate CFW Software Download
PlayStation Portable system software - Simple English Wikipedia, the free encyclopedia
PSA: PSP firmware 6.20 now available for download – Destructoid
PSP Firmware Update Cannot be Started - Techyv.com
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive
PSP Custom Firmware 6.20 LME-1.9 can now be permanently installed! - Wololo.net
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
6.20 ME - Wololo.net /Downloads - View Download
PSP Firmware 6.20 Brings Digital Comics, Video Playlists - Game Informer