How to Install custom firmware on a PSP « PSP :: WonderHowTo
4 Ways to Upgrade Your PSP Firmware - wikiHow
Release] ARK-4 CFW port for PSP. | GBAtemp.net - The Independent Video Game Community
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP Slim security trounced by Team M33's custom firmware | Engadget
Once I found out I could output video to my crt from a psp I'd been on the hunt for one. Got a 3000 model and now put custom firmware on it.
Installing Custom Firmware on a PSP : 9 Steps - Instructables
Hack, Install Custom Firmware on Sony PSP-E1004 Street
Just purchased this Psp 2001, can I update to a better custom firmware? What are my options? : r/psphacks
PSP - Want Custom Firmware on your PSP? (TUTORIAL) NOOB-Friendly-Edition | PSX-Place
OFW psp & CFW psp blogs - Firmware 6.39 ME-5 was develop and release by PSP Developer Neur0n who has decided to release his latest PSP Custom Firmware 6.39 ME-5 for users
PSP Custom Firmware 3.60 M33 Released For PSP Slim - Exophase.com
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex