How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
Mod a PSP | Super Easy | 6.60 PRO-C - YouTube
How to Hack a PlayStation Portable
Bought a PSP, trying Homebrew, looking for games - Community Blog - Level1Techs Forums
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
3 Ways to Hack a PlayStation Portable - wikiHow
UPGRADE ANY PSP CFW 5.00 M33 TO CFW 6.60 ME-2.3 [ PSP 1000 ] No TA-082 - YouTube
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 Infinity 2.0 Install Guide! (6.61 - 6.60) (WORKING ON EVERY PSP) - YouTube
3 Ways to Hack a PlayStation Portable - wikiHow
How To Install PSP 6.60 PRO-C2 Custom Firmware! - YouTube
Hack, Install Custom Firmware on Sony PSP-E1004 Street
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net