SONY PlayStationPortable PSP-3000 VB Vibrant Blue Value Pack 6.61 Upgraded H818 | eBay
PSP update: 6.61, firmware, PlayStation
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
Updating An Old 6.20 CFW PSP To The Latest 6.61 CFW! - YouTube
MISE À JOUR - PSP : le firmware 6.61 est disponible - GAMERGEN.COM
PSP Custom Firmware Guide For All Models 2023 - pspunk