4 Ways to Upgrade Your PSP Firmware - wikiHow
New PSP Firmware Adds PSN Game Downloads - The Escapist
PlayStation Portable system software | Ultimate Pop Culture Wiki | Fandom
PSP Firmware update manually - here's how
PSP & PS Vita Owners Shouldn't Update Their PS3 Firmware
PSP Firmware Update 5.5 Available Soon
PSP Firmware Update Cannot be Started - Techyv.com
Sony PSP gets firmware update, hints PlayStation Store is coming back soon - SlashGear
PSP & PS Vita Owners Shouldn't Update Their PS3 Firmware - Phần mềm Portable
PSP update: 6.61, firmware, PlayStation
PSP firmware update adds NeoGeo, TG-16 folders - GameSpot
Download PSP 5.50 Firmware Update
PSP 6.61 Custom Firmware Install on any PSP - PSP, PSP Slim, PSP 3000, PSP Go & E1000 | Digiex
System Update
PSP Firmware Update 6.61 Goes Live, is Mandatory
Why it says "PSP Update ver 3.73" in "Game" when I have 6.61? : r/PSP
PSP Firmware Update 6.61 | GBAtemp.net - The Independent Video Game Community
Sony releases big PSP v6.10 firmware update - Tech Ticker
Sony PSP receives random firmware update - SlashGear
PSP Firmware 2.82: No Actual New Functionality | WIRED
PSP update: 6.61, firmware, PlayStation
4 Ways to Upgrade Your PSP Firmware - wikiHow
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
