Complete Guide to PSP Custom Firmware | ReviveToday
Install or use custom firmware on any 6.39 PSP [PSP, PSP Slim, PSP 3000, PSP Go] | Digiex
Latest PSP firmware update includes free T-Mobile WiFi, too | Engadget
How To Update Any PSP To Official 6.61 In 2018! - YouTube
PSP Firmware Update 6.61 | GBAtemp.net - The Independent Video Game Community
Sony PSP Firmware Update 3.95 On Its Way - TechShout
My psp go won't turn on or charge (UPDATE). Finally got the battery delivered earlier tonight, just replaced it and I'm happy to say it's alive again Can't wait to get back
Sony marks PSP 3000 release with firmware update that adds direct access to PlayStation Store - CNET