VERY EASY) Install Custom Firmware 6.60 PRO B10 PSP 1000, 2000, 3000 + DL - YouTube
PSP FAQ - How Do I Update My PSP Firmware?
4 Ways to Upgrade Your PSP Firmware - wikiHow
Sony PSP 5.00 and PS3 2.50 firmware updates available soon-ish | Engadget
4 Ways to Upgrade Your PSP Firmware - wikiHow
4 Ways to Upgrade Your PSP Firmware - wikiHow
Found my old PSP-2001 want to upgrade to latest firmware without bricking : r/PSP
Ultimate PSP mod! AcidMods forum user JoblessPunk modifies the PSP-2000 to include a second analog nub, internal 32GB flash memory, i… | Psp, Firmware, Flash memory
How To Update Any PSP To Official 6.61 In 2018! - YouTube
PSP firmware 3.72 available, doesn't do much ... for now – Destructoid
How to Update Your PSP Firmware
Unbrick PSP 2000/3000 Systems - Pandora Battery Style! [Hardware Jig Required] | sefemedical.com - The Independent Video Game Community