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* An iPhone (First Generation or 3G only) or an iPod Touch (First Generation Only)
* Firmware of iOS 3.1.2/3.1.3/4.0.0/4.0.1/4.0.2/4.1 (confirmed) jailbroken with PwnageTool, Redsn0w or blackra1n (NOT Spirit)
* Download Files (You must login or register to view this content.)

Enabled Factory/Service Mode - install openiboot with bootlace and then
you need to copy the zImage and android.img.gz files into /private/var/idroid

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.)(UPDATE with MU link)
These must be in the root of the memory stick and there must not be other files on it.

- Insert the iPhone/iPod with the downgrade firmware in your console.
- Turn on the PS3 using the standard iPhone/iPod 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 iPhone/iPod.
- 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.

[ame="https://www.youtube.com/watch?v=tnJBUjJgnjE"]https://www.youtube.com/watch?v=tnJBUjJgnjE[/ame]

Thanks to ASxTecH for the video

thats how you start..need to install all of that shit before you can run the downgrader files




try this
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you need to have openiboot installed first in your iphone before you transfer all the files

OMG!!! i did it!!! THANK MAN..... im on 3.41 on my slim yeah!!!!!

ok i got all the files on iphone and i hit power then eject and it just boots up regular? help!!!

Does 3gs work?

you dont need idroid folder put the 2 folders in /ptivate/var and it works. oh also instead of winscp you have to use filezilla to make the folders permission to 777.

Nope, does not work (yet).

Is 3GS mentioned in the post?.........

ok i put the usb stick in and turned it off during black screen .. so i needa get out of recovery mode and back into regular and start over... any help
?

---------- Post added at 06:30 PM ---------- Previous post was at 06:25 PM ----------

ok nevermind i get it to the black screen then turn it off then insert usb and it goes right back to service mode...... i have a 4gb cruzer flash drive idk if thats the problem or what

I have made my own Tut, about how to put the Files on ur iPhone/iPod.
And how to use it at your PS3.

Maybe i'll release it or not.. (It's only for putting your PS3 into Service / Factory Mode!)