How to Install Custom Firmware (CFW) on PSP 1000 and PSP 2000
Install 6.31 Hen + Prometheus ISO loader on your PSP
CFW – 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
Install 6.31 Hen + Prometheus ISO loader on your PSP
How to Install Custom Firmware (CFW) on PSP 1000 and PSP 2000
Hack Your PSP 6.31/6.35 With HEN And Run ISO's - YouTube
How to Install Custom Firmware (CFW) on PSP 1000 and PSP 2000
PlayStation Guide
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
How to Mod Your PSP on Firmware 6.61 or Lower! - Infinity Permanent CFW - YouTube