Comme vous le savez peux-être, la team PSJailbreak a sorti récemment le PSDowgrade qui simule un outil de Sony pour pouvoir downgrader son firmware (pour par exemple passer de 3.50 à 3.42). Le PSDowngrade n'est qu'un programme destiné à être installé sur un PSJailbreak. Ce programme est vendu 40$ ... Et peut causer des semi bricks si vous tentez de downgrader 2 fois de suite !
100$ le PSJailbreak + 40$ le downgradeur, ça fait cher ! Attendez quelques semaines (jours ?), je suis certain qu'une option gratuite pour downgrader sa PS3 devrait sortir !
Revenons à nos moutons !
Greg administrateur d'un site de hack PS3 a tenté d'utiliser cet outil onéreux deux fois de suite sur sa PS3. Celle-ci n'a pas aimé !
Voici le message apparu lors de la tentative du 2eme downgrade:
Updating or Verifying failure 0x8002f057
UpMng.UpdatePackage() failure
manufacturing updating FAILURE(0x8002f057)
Total Elapsed time = 156974 mses
En tout cas, fin heureuse, il a réussi a réupgrader sa console en 3.50 en modifiant le fichier .PUP utilisé pour ainsi retrouver une console fonctionnelle.
Voici la méthode complète qu'il a utilisé pour downgrader sa console:
Insert PS Jailbreak device that has been reprogrammed as PS Downgrade into your console
Turn on the console using the same boot method as PS Jailbreak: Press power then immediately press eject. Your console will turn on and PS Jailbreak will light up with red/green LEDs followed by green only, then the PS3 will turn off.
Turn on console to make sure you are in factory service mode. You will see a huge red box on the screen saying Factory Service Mode. Once confirmed please turn off console and remove PS Downgrade Dongle.
Program any blank USB mass storage device with 2 files:
the modified 3.41 PUP
Lv2Diag.self (rename Lv2diag.self.1).
These must be the only files on the USB key and must be placed in the main (root) directory.
Insert this USB mass storage device into the USB port to the right — the first USB port in from the right side if you’re facing the console. Turn the PS3 on and you will see black screen but the PS3 HDD light will flash.
Wait 3 minutes for the system to install the old firmware. Towards the end the power button on the console will start flashing green and then your console will power off.
Remove the USB key and turn on the console, you will still be in factory service mode. Please verify you have downgraded successfully to version 3.41.
(Optional) – If you wish to downgrade to any older firmware you can follow step 4, 5, 6 using any regular firmware PUP. (You do not need to use modified custom firmware now that you are on 3.41).
Insert USB key back into your PC, remove the PUP and Lv2Diag.self file, and copy only the other LV2Diag.self (rename Lv2diag.self.2) to the USB key.
Power on your console, after 10 seconds it will power off
Turn on your console again with no USB inserted and you will be out of factory service mode and back in retail mode with your chosen firmware version installed.
Source : http://www.ps3-addict.fr/forum/viewtopic.php?f=12&t=1337Source : http://www.ps3-hacks.com/2010/11/16/ps-downgrade-real-confirmed-working-100/
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