Updating The PSP System Software to 6.60 / 6.61 - pspunk
POC: PSP 3000 CFW 6.61 Infinity
Sony PSP Go Console Black Version 6.61 + Memory + 5 Games + USB Charger | eBay
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
Install or use custom firmware on any 6.39 PSP [PSP, PSP Slim, PSP 3000, PSP Go] | Digiex
PlayStation Portable (PSP) 6.61 firmware download
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
How to downgrade your PSP Firmware with Chronoswitch - Darthsternie's Firmware Archive
PSP: 6.61 Custom Firmware! 6.61 ME & 6.61 LME CFW! - YouTube
PSP Custom Firmware 6.00-6.61
PSP 6.61 Infinity Permanent CFW (LME & PRO) 2018 Tutorial! - YouTube
PSP update: 6.61, firmware, PlayStation
GitHub - TheOfficialFloW/Adrenaline: Custom Firmware 6.61 Adrenaline for the PSP Emulator
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
Davee's Infinity CFW - Permanent 6.61 CFW on All 3000 & Go Models! | GBAtemp.net - The Independent Video Game Community
Tutorial : install 6.61 Pro c2 cfw - YouTube
PSP 6.61 Infinity PRO Custom Firmware Tutorial! (Permanent CFW) 2018! - YouTube
Mandatory PSP Firmware 6.61 Released Today, First in Three Years - Hardcore Gamer
PSP 6.61 PRO-C2 Permanent Custom Firmware - YouTube
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
How to Download PSP Games and Transfer them to Your PSP
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 19 | Digiex
