HOW TO INSTALL 6.20 6.35 6.39 6.60 PRO C PRO ONLINE CLIENT PSP 2000 3000 GO Play AdHoc ONLINE! - YouTube
I tried installing 6.61 PRO C2 and infinity v2.0.3 on my psp 3001 (following the instructions on the CFW guide of this subreddit) but it just shows corrupted data when I disconnect,
3 Ways to Download YouTube Videos Straight to Your PSP Without a Computer
How to Download PSP Games and Transfer them to Your PSP
Install or use custom firmware on any 6.39 PSP [PSP, PSP Slim, PSP 3000, PSP Go] | Digiex
4 Ways to Upgrade Your PSP Firmware - wikiHow
How To Hack Your Sony PSP To Play Downloaded Games From SD Cards ( Tutorial ) 6.61 Firmware - YouTube
Use 6.60 plugins on 6.61 ! - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
10 Things You Didn't Know Your Old PSP Could Do (Sony PlayStation Portable) - YouTube
OLD] How to Mod Your PSP on Firmware 6.61 or Lower! - Infinity Permanent CFW - YouTube