Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Why do so many people prefer 6.60>6.61? : r/PSP
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
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
4 Ways to Upgrade Your PSP Firmware - wikiHow
How to Update an Infinity Modded PSP to Infinity 2.0 - The GamePad Gamer
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Tutorial] Install PSP 6.61 Pro-C Infinity Custom Firmware | GBAtemp.net - The Independent Video Game Community
PlayStation Portable (PSP) 6.61 firmware download
Easy Method - PSP How to install PSP 6.61 Pro C2 and if not showing games list on your psp but first download the file�- http://youtu.be/w4xFduw8cdw 6.61 Pro C2 Download- http://www.mediafire.com/?zd268rwbc5sui2e/ DarkSpeed
Installing Custom Firmware on a PSP : 9 Steps - Instructables
4 Ways to Upgrade Your PSP Firmware - wikiHow
How to Mod Any PSP on Firmware 6.61 or Lower! - Infinity 2.0 Permanent CFW - The GamePad Gamer
4 Ways to Upgrade Your PSP Firmware - wikiHow
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
How to Download PSP Games: 14 Steps (with Pictures) - wikiHow