Updating The PSP System Software to 6.60 / 6.61 - pspunk
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Blue PSP slim 8gb updated with latest 6.61 Pro-c firmware, Video Gaming, Video Game Consoles, Others on Carousell
Custom Firmware Wizard | ReviveToday
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Updating The PSP System Software to 6.60 / 6.61 - pspunk
PSP update: 6.61, firmware, PlayStation
Remove cfw 6.61 pro-c | GBAtemp.net - The Independent Video Game Community
4 Ways to Upgrade Your PSP Firmware - wikiHow
tempAr cheat plugin installation guide for 6.60 and 6.61 ( better in every way compared to CW Cheats ) : r/PSP
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
Not booting into custom fw | GBAtemp.net - The Independent Video Game Community
PSP Custom Firmware 6.00-6.61
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net