Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
Sony PSP Firmware Update to v6.37 Coming Soon - SlashGear
PSP firmware update v4.05 release is imminent – Destructoid
PSP: First hacks for the new Firmware 6.61 - PRO CFW & Downgrader updated! - Wololo.net
PSP Firmware Update Cannot be Started - Techyv.com
PSP Firmware update manually - here's how
How to Downgrade PSP Firmware - Nerd Bacon Reviews
PSP 3.90 firmware update with Skype available | Engadget
![PSP firmware v3.72 available now via Network Update [UPDATE] | Engadget](https://o.aolcdn.com/images/dar/5845cadfecd996e0372f/f9823c93bad05e4a2fd1e446bd2de5a277717fdb/aHR0cDovL3d3dy5ibG9nY2RuLmNvbS93d3cuam95c3RpcS5jb20vbWVkaWEvMjAwNy8wNC90bXBwaHB4Z3F0YWEuanBn "PSP firmware v3.72 available now via Network Update [UPDATE] | Engadget")
PSP firmware v3.72 available now via Network Update [UPDATE] | Engadget
Sony PSP gets firmware update, hints PlayStation Store is coming back soon - SlashGear
PSP firmware update adds NeoGeo, TG-16 folders - GameSpot
Major PSP firmware update adds tethering, Media Go | TechCrunch
4 Ways to Upgrade Your PSP Firmware - wikiHow
System Update
PSP System Update 6.61 - YouTube
Sony PSP Firmware Update 3.95 On Its Way - TechShout
Found my old PSP-2001 want to upgrade to latest firmware without bricking : r/PSP
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
Sony PSP system firmware 2.0 update instructions? - Ask Dave Taylor
Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
How to Update Your PSP Firmware
PSP firmware 3.72 available, doesn't do much ... for now – Destructoid
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
Update the Firmware of Your PSP - CCM
