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Posted on 7th December 2010

If you need to downgrade a PS3 with firmware version 3.50 or below you can now grab the PS3KEY JIG firmware from the downloads section! Please note that we do not host the modified PUP file or any other file that may contain copyrighted code.

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PS3Key Downgrader announced!
Posted on 4th December 2010

We have received many emails regarding "rumours" of a PS3Key downgrader capable of downgrading PS3 firmware from v3.50 to v3.41 using the "JIG" method. We can confirm that those ruomors are indeed true! Stay tuned for more news in the next few days!



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Note to Atmel PS3Key users: This firmware has automatic bootloader entry, so there is no need to plug/unplug it to get into bootloader mode after flashing this firmware.

After you have completed the downgrading
procedure as described below you must reflash your PS3Key with the standard firmware(Found You must login or register to view this content.).

Flashing with Downgrade Files:
To get them into bootloader:

Atmel-based:

Connect and disconnect PS3Key to a USB port on your PC 3 times within 10 seconds. Then both LEDs (blue and red) will then come on at the same time. The Update button in the software will no longer be disabled and you will be able to click it to apply the update.

Silabs-based:

Connect PS3Key to a USB port on your computer and wait for 15-30 seconds. Both LEDs will come on, and PS3Key will appear as a USB memory stick. You will be able to apply the update by dragging and dropping the update FIRMWARE.BIN onto the memory stick.

Than load the downgrade files onto the PS3 Key.

Tutorial:
Prepare a blank USB memory stick with only 2 files on it: Lv2Diag.self (file 1) and the modified 3.41 PUP file(Download You must login or register to view this content.)
These must be in the root of the memory stick and there must not be other files on it.

- Insert the PS3Key with the downgrade firmware in your console.
- Turn on the PS3 using the standard PS3Key sequence; power cycle, power on, then quickly press eject. After a very short while the PS3 will power off.
- Turn on the PS3 to confirm that it is in Service Mode.(You should see a red box on the screen saying Factory Service Mode)
- Turn off the PS3 and remove PS3Key.
- Insert the USB memory stick with the 2 files on in the rightmost USB port of the PS3 and turn it on. The screen will be black,
but the LED on the PS3 will blink.
– Wait 3 minutes for the system to install the old FW, towards the end the power button on the console will start flashing green and then your console will power off.
- Remove the USB memory stick and turn on the PS3. It will still be in service mode.

- Insert USB drive in PC, delete the 2 files, and copy LV2Diag.self (file 2) to it.
- Insert USB memory stick and power on the PS3. After approximately 10 seconds it will power off.
- Remove the memory stick and power on the PS3. The procedure is now complete.

can i downgrade fw 3.55 to 3.41?

OMG are u serious look around abit /facepalm

Tut is open(check first post). Hope you have the best of luck with the PS3Key :p



There is no way as of yet, there could be because of finding the Master Key but we will just have to wait

Top man thank you :beer:

...just because they just patched it. Didn't PSJailbreak say Sony COULDN'T patch the downgrade?

Sony remove the use of Lv2Diag.self (file 1), this is what lets us install the modded 3.41.

I say there is still a way to downgrade but someone will have to find a different way :bat:

How do i update the ps3 key?Sorry for this noob question but the original updater didnt work