Picked up a PSP-1000 on firmware 1.0. Any reason to NOT be on 6.61? : r/PSP
Updating The System Software - Sony PSP PSP-3004 Quick Reference [Page 28] | ManualsLib
How to Hack a PSP 3000 or 2000 with ChickHEN R2 5.03 « PSP :: WonderHowTo
Found my old PSP-2001 want to upgrade to latest firmware without bricking : r/PSP
Hi guys i have 2 psp PSP 2004 and PSP 3004 i cant update the Blue one to latest firmware 6.61 and i cant find available latest firmware for the 2004 : r/PSP
4 Ways to Upgrade Your PSP Firmware - wikiHow
PSP 3004 - Home | Facebook
How To Hack Your Sony PSP To Play Downloaded Games From SD Cards ( Tutorial ) 6.61 Firmware - YouTube
Sony Updates Its PSP Console with Firmware 6.61 – Download Links Available
atFoliX 3x Screen Protection Film for Sony PSP-3004 Screen Protector clear | eBay
So i've modded my PSP with Infinity 2.0 LME and my PSP says it can be Updated to Version 9.99. Should I do it? : r/PSP