PSGrade hex files for various USB devices released. Let the downgrade party begin

Now that we have the real master key, developer evilsperm was able to port over PSGrade to various USB devices. PSGrade will allow you to put the PS3 into Factory/Service Mode for the purpose of downgrading the PS3 from firmware v3.41/3.50 to v3.41. Below, you can grab the PSGrad hex files for the appropriate USB device(s) that you want to use for downgrading.

PSGrade compatible USB devices:

• AT90USBKEY
• ATAVRUSBRF01
• AVRKEY
• Bentio
• Blackcat
• JMDBU2
• Maximus
• Minimus 32
• Minimus v1
• Olimex
• OpenKubus
• PS2CHIPER
• Teensy 1.0
• Teensy 2.0
• Teensy++ 1.0
• Teensy++ 2.0
• UDIP8
• UDIP16
• USBTINYMKII
• XPLAIN

Below, you can download the firmware v3.41 file. You'll need it after you put the PS3 into Factory/Service mode.

[FileFactory]: DOWNLOAD HERE (PSGrade HEX FILES)

[FileFactory]: DOWNLOAD HERE (Modified firmware v3.41)