With a PSP, in order to update the firmware, you have to follow a couple of steps.
The last generation of a long history of PSP Custom Firmware, with a pedigree from Dark Ale X's original code.
It's been made open source and still gets bugfixes even to this day.
Choose the one that you prefer; though in truth, they are almost identical.
Both of them are based on OFW 6.60, though PRO CFW also actively supports 6.20 and 6.35 versions.
Note that there are three ways to update the firmware on a PSP: using a computer, via network update, and updating using an UMD. Step 1: First, download the latest PSP firmware from the PSP System Software site.
Step 2: Once you download the update to your computer, you need to copy it to Memory Stick Duo media.
or you’re simply looking for a quick and easy guide to get the best solution for your PSP? This guide is an all-in-one guide to installing the appropriate Custom Firmware on your console, just follow my lead.
Downloading and installing the PSP® (Play Station®Portable) system software update will update your PSP® system's operating system to include the latest security patches, settings, features and other items.
Due to this (and probably some other reasons as well), Sony has been trying to repress homebrew as much as possible.