What is the best way to update a PSP via USB? - Quora
PSP Uninstall/Remove Infinity 6.61 Custom Firmware (CFW) - YouTube
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP: 6.61 Infinity - Davee's 'Permanent Patch' for System Software 6.61 - Wololo.net
PlayStation Guide
PSP Custom Firmware Guide For All Models 2023 - pspunk
Updating The PSP System Software to 6.60 / 6.61 - pspunk
Risen from the dead: PSP Firmware 6.61 is now available! - Wololo.net
Help! Trying to update my PSP-1000 to latest 6.61 FW : r/PSP
Custom Modded White Sony PSP 1000 6.61 Pro-c With Games Bundle - Etsy
PSP: 6.61 Custom Firmware! 6.61 ME & 6.61 LME CFW! - YouTube
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
PSP Firmware Update 6.61 Goes Live, is Mandatory
How To Update Any PSP To Official 6.61 In 2018! - YouTube
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
PSP GO install CFW short notes
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
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Page 8 | Digiex
PSP 6.61 Firmware Update for Windows - Free Download
PSP: 6.61 Infinity - Davee's 'Permanent Patch' for System Software 6.61 - Wololo.net
PSP Official Firmware - Hackinformer
PlayStation Portable (PSP) 6.61 firmware download
How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
