PSP FAQ - How Do I Update My PSP Firmware?
There are a few different ways to update your PSP's firmware. We breakdown all the ways to update your firmware here to save you time.
PSP update: 6.61, firmware, PlayStation
Sony PSP 3000 review: Sony PSP 3000 - CNET
How To Update Official PSP Firmware In 2022 Without WIFI Access
How to Download PSP Games and Transfer them to Your PSP
4 Ways to Upgrade Your PSP Firmware - wikiHow
Installing Custom Firmware on a PSP : 9 Steps - Instructables
PSP FAQ - How Do I Update My PSP Firmware?
PSP update: 6.61, firmware, PlayStation
Wireless PSP Custom Firmware installation is now possible!
PSP FAQ - How Do I Update My PSP Firmware?
Sony's PSN Firmware Update Makes Its Way To PSP - Game Informer
3 Ways to Hack a PlayStation Portable - wikiHow
Got my PSP GO Today :) it has custom firmware 6.61 : r/PSP
System Update
Sony PSP Slim and Lite 3000 Series Handheld Gaming Console with 2 Batteries and Memory Card (Renewed) (Pink) : Video Games