How to Download PSP Games: 14 Steps (with Pictures) - wikiHow
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
Updating The PSP System Software to 6.60 / 6.61 - pspunk
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
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
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
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
Mandatory PSP Firmware 6.61 Released Today, First in Three Years - Hardcore Gamer
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP Custom Firmware Guide For All Models 2022 - pspunk