PSP Go (PSP-N1001) with CFW mod 6.61 Pro-C for Sale in Kirkland, WA - OfferUp
4 Ways to Upgrade Your PSP Firmware - wikiHow
Special Edition. Modded Sony Final Fantasy PSP 3000. 6.61 CFW - Etsy
Infinity 2.0 released for the PSP, allows for persistent CFW on all models of PSPs on 6.60 and 6.61 | GBAtemp.net - The Independent Video Game Community
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
PSP Infinity 2.0 Install Guide! (6.61 - 6.60) (WORKING ON EVERY PSP) - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net