Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
Mandatory PSP Firmware 6.61 Released Today, First in Three Years - Hardcore Gamer
GitHub - TheOfficialFloW/Adrenaline: Custom Firmware 6.61 Adrenaline for the PSP Emulator
Tutorial : install 6.61 Pro c2 cfw - YouTube
POC: PSP 3000 CFW 6.61 Infinity
Can someone help me update my psp 1001 from 2.80 to 6.61 : r/PSP
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
How To Update Any PSP To Official 6.61 In 2018! - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP Custom Firmware 6.00-6.61
How to Update Your PSP Firmware
PSP GO 6.61 Infinity Permanent CFW (PRO) Full Tutorial! 2017! - YouTube
Update to 6.61 Infinity? : r/PSP
Updating The PSP System Software to 6.60 / 6.61 - pspunk
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
PSP: Infinity 2.0 – Permanent 6.61 Custom Firmware for every PSP! - YouTube
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 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 19 | Digiex
PSP update: 6.61, firmware, PlayStation
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available