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. So you can downgrade a PS3 or 3.50 3.42 or 3.15 to 3.41.
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 if 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. 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. 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.
Source: Logic-Sunrise
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