PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - The GamePad Gamer
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Downloaded CFW 6.61 PRO-C2 got this message : r/PSP
How to install a permanent CFW on any PSP without hardmod. | GBAtemp.net - The Independent Video Game Community
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
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
Easy Mod For Any PSP/ PSP Go / PSP Street 6.61 CFW Permanent In Just 8 minutes - YouTube
POC: PSP 3000 CFW 6.61 Infinity
How to MOD PSP GO - EASY Tutorial 2020 - Custom Firmware to Run Homebrew - CFW 6.60 PRO C - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP GO 6.61 Infinity Permanent CFW (PRO) Full Tutorial! 2017! - YouTube
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net