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December 9, 2010 // 11:52 pm - Since the release of PSGrade there have been lots of PS3 Downgrade Hex Codes for all types of devices, and today Matrix15 and xXJohannXx of (linked above) have posted a PIC18F hex code and guide which can be found below.

Download: PS3 Downgrade PIC18F Hex Code / PSGradePIC for nBTL, BTL_HID, BTL_MCHP

To quote, roughly translated: After leaving the downgrade for the different clones based Atmel microcontroller, the service mode is finally available to the dongle-based ICP such as ZBN SPI USB V1, V1.1, V2 , or PS3liberator NbzgroovePIC v1.0 at PICDEM bootloader is available.

The downgrade process is similar to any other dongles, you'll need: downgrade-files (

1 - Upgrade your NbzgroovePIC or module ZBN with the update for the downgrade. (The update is done the same way that a jailbreak for maj.)

2 - Connect your NbzgroovePIC or module ZBN to the console. Turn it completely (power button back to the Fat, electric cable or a switch for slim) then turn the (by pressing the back button or by removing the console).

- Press the power button then quickly press the button "Eject". The console will start then shut off automatically

Note: It is possible that it does not go out alone, in this case the etteignez completely manually a second time (button facade and cut power supply).

This is exactly the same way as your console smith jailbreak.

From here, things will change, check that your console is in "Service Mode":

3 - On a USB stick (FAT32), place the file update 3.41 (. PUP) and the number 1 Lv2Diag.self you rename in Lv2Diag.self. (See it below)

4 - Connect your PS3 to your usb port on the far right.

- Start the console, the screen will be black, but the LED on the PS3 starts to flash.

- Wait about 3 minutes. Upon completion of the power button flashes green and the PS3 off.

- Remove the USB and turn on your PS3. Elle sera toujours en mode service. She will always be in service mode. You can now verify that it is well past 3.41.

5 - Connect your USB to your PC, delete the 2 files and copy the file to the root LV2Diag.self

(File 2) you rename as previously LV2Diag.self.

6 - Connect the USB port on the far right of your PS3 and start normally. Après 10secondes la console s'éteindra. After 10 seconds the console will turn off.

That's over your console and now 3.41 in the past and the joy you jailbreak.

- Disconnect your USB key, do not forget to reprogram your NbzgroovePIC or module ZBN with the last update for the jailbreak.

Thank you to Matrix15 for information and xXJohannXx for the tutorial.

PS3 Downgrade for PIC18F (ZBN Modules) with a Guide Arrives

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#19 - flashpc - December 11, 2010 // 12:38 am
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Can anybody here actually confirm this?

#18 - mckarlsson - December 11, 2010 // 12:28 am
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New Bluray Playback Fix After Downgrade

#17 - lerobotnono - December 10, 2010 // 11:47 pm
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They also managed to turn a retail into a full functions enabled Debug 1.0 fw. See what i means...

Cheers guys

#16 - tonybologna - December 10, 2010 // 10:59 pm
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Just flash back to 3.15 firmware to keep Blu-Ray playback.

#15 - mushy409 - December 10, 2010 // 8:04 pm
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Thanks sorg! +Rep

The bluray playback has something to do with DRL found in flash 3. Some people have been 'swapping' certain files to re-enable Bluray playback. Similar to KV swapping with the xbox.

#14 - oVERSoLDiER - December 10, 2010 // 6:44 pm
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Uhmg ! You can maybe try to use the fix from here.

#13 - Ne0z - December 10, 2010 // 6:21 pm
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That's my issue bud.. I DID do it, and now have no playback. Was just wondering if there was a confirmed "fix" out there. I have 5 PS3s in the house so i'll manage. Just wanted to know if only 4 would play BDs from now on.

#12 - oVERSoLDiER - December 10, 2010 // 6:15 pm
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Quote Originally Posted by Ne0z View Post
OK fellas, got the bluray problem. Got a 60 gig BC bought on release day. Downgraded to 3.41. Is there a fix for this yet or am I gonna have to keep it on hold? Any help would be peaches n' cream . Thanks

No 100% fix is out. I also get the first 60GB PS3 and don't have any problems with it. I think you should take the risk and do it .

#11 - Ne0z - December 10, 2010 // 6:07 pm
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OK fellas, got the bluray problem. Got a 60 gig BC bought on release day. Downgraded to 3.41. Is there a fix for this yet or am I gonna have to keep it on hold? Any help would be peaches n' cream . Thanks

#10 - oVERSoLDiER - December 10, 2010 // 4:35 pm
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No problem. That's why PSGroove set up the fix for "Blu-Ray Playback" which doesn't effect with games. So don't worry about it.