I want to install Custom Firmware Permanently on My PSP Go. What are the steps? : r/PSP
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,
Mod a PSP | Super Easy | 6.60 PRO-C - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net