Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
How to Download PSP Games and Transfer them to Your PSP
how to psp update firmware 1000-2000-3000 5.50 to 6.61 | update psp 6.60 to 6.61| holesaleshop - YouTube
DOWNGRADE ALL PSP MODELS FROM 6.60 6.38 6.39 6.35 6.20 TO 5.03 6.20 6.35 6.39 *NO PANDORA* - YouTube
How to : Use 6.60 plugins on 6.61 ! : r/PSP
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Release: Davee releases Project Infinity - 6.61 Permanent Patch for ME & PRO CFWs - Wololo.net
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | Page 2 | GBAtemp.net - The Independent Video Game Community
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - YouTube
Going to Install Ark-4 | GBAtemp.net - The Independent Video Game Community
Why do so many people prefer 6.60>6.61? : r/PSP
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive