How to Downgrade your PS3 FAT (Nand) Console with a Teensy++ 2.0 By:NSC - YouTube
Just in case there is anybody new to the whole PS3 Homebrew or Jailbreak Scene ... This chart will help with whether your console is NAND Or NOR (NOTE: I do not
JOGi MODS :: PS3 Downgrade Service - Back To 3.55 OFW