OLD] How to Mod Your PSP on Firmware 6.61 or Lower! - Infinity Permanent CFW - YouTube
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
How to Download PSP Games and Transfer them to Your PSP
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
PSP Infinity 2.0 Install Guide! (6.61 - 6.60) (WORKING ON EVERY PSP) - YouTube