Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
PSP 6.61 Firmware Update Download
How To Easy Jailbreak Any PSP 6.61 CFW Permanent - Consoleinfo
Sony PSP Go Console Black Version 6.61 + Memory + 5 Games + USB Charger | eBay
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
How To Downgrade PSP 6.61 To 6.60! (Chronoswitch Downgrader) 2017! - YouTube
PSP 6.61 PRO-C2 Permanent Custom Firmware - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
Davee's 6.61 Infinity project update - PSP Go
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
PSP Custom Firmware 6.00-6.61
Mandatory PSP Firmware 6.61 Released Today, First in Three Years - Hardcore Gamer
PSP 6.61 Infinity Permanent CFW (LME & PRO) 2018 Tutorial! - YouTube
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
PSP Custom Firmware 6.00-6.61
Complete Guide to PSP Custom Firmware | ReviveToday
PSP: Custom Firmwares for Firmware 6.61 possible - Currently being updated! - Wololo.net
PSP Firmware Update 6.61 | GBAtemp.net - The Independent Video Game Community
PSP update: 6.61, firmware, PlayStation
Updating The PSP System Software to 6.60 / 6.61 - pspunk
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
