Originally posted by another user
First and foremost, this is not about jailbreaking PS3 consoles with firmware 3.56 or higher. It’s about the hopes and dreams of finding the exchange keys hidden inside these debug firmwares. Anyways, a guy who goes by the name ConsoleDev has decided to post the download links for official debug firmware v3.50, v3.55, v3.56, v3.60, and v3.65. This is meant for people who own the actual PS3 debug/test unit.