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How to Downgrade to 3.50 on the PlayStation 3

In the gaming system hacker community, the process of "softmodding" your Sony PlayStation 3 (PS3) basic operating system (OS) is performed to allow you to access unauthorized applications and games through your device. However, most softmodding applications for the PS3 do not work with the OS 3.50 version of the gaming system. Therefore, it becomes necessary to downgrade from that version to a older version. The process of downgrading from 3.50 on your PS3 is fairly straightforward.

Things You'll Need

E3 memory card
E3 memory card reader

Instructions

- 1
  Download the "e3downgrade 12.03bin" file onto your computer.
- 2
  Insert your E3 memory card into the E3 card reader, then plug the USB cable from the card reader into an available USB port on your computer.
- 3
  Drag and drop the "e3downgrade 12.03bin" file into the memory card folder that appears on your computer desktop.
- 4
  Remove the E3 card from the reader and insert the card into the memory card slot in the front panel of your PS3 console.
- 5
  Press the "Power" button on the system to turn it on, then press the "Eject" button immediately. This action will turn the E3 card and the red light on. The light will then turn blue.
- 6
  Scroll through the XMB main menu using your game controller and select the "User Section" option, then select the "Turn Off System" option and press the "X" button on your controller to turn the system off internally.
- 7
  Remove the E3 card from the slot. Press the "Power" button again to turn the system on and it will turn back on in "Factory/Service" mode and be downgraded.

PlayStation 3