GitHub - PSP-Archive/Custom-Firmware: The proof of concept by Dark_AleX.
How to Your Custom Firmware MOD Your PSP : 12 Steps - Instructables
Found my old PSP. Would it be worth it upgrading to a newer CFW? It currently has a few emulators with a ton of roms running perfectly fine. Anything I'm missing out
Sony PSP CFW 6.61 on PSP-1000 and PSP-3000 – McRetro.net
How To Downgrade your PSP & Upgrade to a Custom Firmware