Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
PSP Custom Firmware Guide For All Models 2022 - pspunk
PSP 6.61 PRO-C2 Permanent Custom Firmware - YouTube
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
PSP 6.61 Infinity Hybrid Firmware by Davee, LME & PRO CFW Patch | PSXHAX - PSXHACKS
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
Custom Firmware with PRO | ReviveToday
Tutorial : install 6.61 Pro c2 cfw - YouTube
PSP Custom Firmware 6.00-6.61
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
PSP 6.61 Infinity Permanent CFW (LME & PRO) 2018 Tutorial! - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
Custom Firmware with PRO | ReviveToday
How To Update Any PSP To Official 6.61 In 2018! - YouTube
Updating The PSP System Software to 6.60 / 6.61 - pspunk
4 Ways to Upgrade Your PSP Firmware - wikiHow
PlayStation Guide
PSP Custom Firmware 6.00-6.61
PSP Custom Firmware 6.00-6.61
Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 19 | Digiex
