How to downgrade ps3 firmware and jailbreak the console
PDF) Tutorial PS3 MinVerChk - Minimum Downgrade · Tutorial PS3 MinVerChk - Minimum Downgrade Firmware Check Tool By OzchipDev This tutorial will show you how to see the base firmware - DOKUMEN.TIPS
How to Downgrade PS3 Slim to 3.55 using the E3 Flasher (The Easy Way) - YouTube
How to Go Back to OFW 3.55 in the PS3 Recovery Mode - Our Pastimes