Install 6.20 TN-A Hen and Prometheus ISO loader on your PSP
PlayStation Portable – Wikipedia
How can I play a UMD video ISO in Adrenaline 7 of PSV? | GBAtemp.net - The Independent Video Game Community
How to: Detailed tutorial about creating Custom PSP Game Bubbles for PS Vita! - Wololo.net
How can I play a UMD video ISO in Adrenaline 7 of PSV? | GBAtemp.net - The Independent Video Game Community
Installing Prometheus ISO loader
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 Run Downloaded Games on a PSP (with Pictures) - wikiHow
PSP Custom Firmware 6.00-6.61
How to Get your PSP to play your ISO or CSO « PSP :: WonderHowTo
Release: Davee releases Project Infinity - 6.61 Permanent Patch for ME & PRO CFWs - Wololo.net
Install 6.35 Hen + Prometheus ISO loader on your PSP