Mandatory PSP Firmware 6.61 Released Today, First in Three Years - Hardcore Gamer
PSP 6.61 Firmware Update Download
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP Firmware Update 6.61 | GBAtemp.net - The Independent Video Game Community
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
PSP update: 6.61, firmware, PlayStation
Update to 6.61 Infinity? : r/PSP
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
How to install a permanent CFW on any PSP without hardmod. | GBAtemp.net - The Independent Video Game Community
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
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