Professional Board Host Downgrade Tool Hard Drive Tray for PS3 E3 Nor Flasher | eBay
PS3 - Chapter I - PS3 Downgrade General Information | PSX-Place
PS3 - Chapter I - PS3 Downgrade General Information | PSX-Place
SANY ilaya - UPDATE!!! PS3 4.50 OFW DOWNGRADE (hardware flasher method)/UNBRICK SERVICE for BRICKED PS3 due to FAILED firmware updates (see guide below) JAILBREAK: -Software: for firmwares 3.55 below (slim and phat) -