Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
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
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP Custom Firmware 6.00-6.61
Wololo on Twitter: "So, my kids were playing Astro's Playroom yesterday, and when they unlocked the PSP Go, I told them "We have this thing at home, let me fetch it". I