Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
GitHub - cfw-guide/psp.cfw.guide
PSP Custom Firmware 6.00-6.61
Found my old PSP. Would it be worth it upgrading to a newer CFW? It currently has a few emulators with a ton of roms running perfectly fine. Anything I'm missing out
How to Install custom firmware on a PSP « PSP :: WonderHowTo
New CFW for PSP , the ARK-4 ! - YouTube
Sony PSP CFW 6.61 on PSP-1000 and PSP-3000 - YouTube
SONY PSP CFW 3.40 OE-A….bye bye Dark Alex – Inaccessible is Accessible