Thanks for sharing the guide windrider42
and +Rep as well!
Also below is a DEX2CEX Without CEX Flash Guide (roughly translated, via: forum.console-hax.com/thread1415.html)
Hi guys we found a Simple method for return to CEX without a CEX Flash backup we Tested 45 Console With this Method So I would say it Working 100%
Note:This tutorial will format your internal PS3 HDD Step 1:
Installing DEX 3.55_MFW without OtherOS v3 Exeedy
First Download DEX 3.55_MFW without OtherOS v3 Exeedy and Install That on you PS3
Download DEX 3.55_MFW without OtherOS v3 Exeedy: http://www.mediafire.com/?gh930p4odjrmoea Step 2:
Dumping your DEX Flash with Memdump
In this Step you must Install memdump on your PS3
Download memdump_0.01-FINAL: http://trainbit.com/files/7471999884...INAL.npdrm.rar
Download and Install That on your PS3, Put a USB Device in the Right USB Port, then Run memdump and Press X for dumping your Flash in USB Device. Step 3:
Installing Rogero CFW v3.7
In this Step you must install Rogero CFW v3.7 on you DEX console. but How? Follow me:
First Download Rogero CFW v3.7 and rename that to "PS3UPDAT.PUP"
Download Rogero CFW v3.7: http://freakshare.com/files/awe6vx7b/V3.7A.PUP.html
Put PS3UPDAT.PUP in Root of your USB Device
Now Download this Special Lv2diag: http://trainbit.com/files/6471999884...al_Lv2diag.rar
Download Special Lv2diag too Put Lv2diag in Root of your USB Device for going to FactoryServiceMode without Jig USB we need below App:
Download FactoryServiceMode: http://trainbit.com/files/7371999884...erviceMode.rar
Put FactoryServiceMode.pkg in Root of your USB Device. So you have three files in your USBDevice (FactoryServiceMode.pkg,Lv2diag and PS3UPDAT.PUP) Connect your USB Device in the Right USB Port Then turn on your PS3, go to Install Package and Installing FactoryServiceMode.pkg on your PS3... now run it and wait until you PS3 turn off automatic. After your PS3 turned off ,You must get out of FactoryServiceMode for this Download Lv2diag2 in below.
Download Lv2diag2: http://trainbit.com/files/0671999884/Lv2diag_exit.rar
Put Lv2diag in a empty USB device and connect USB Device to Right USB Port and turn on your PS3 now you are already on Rogero 3.55 (v3.7) Step 4:
Dumping your eid_root_key
First Download eEID_RKDumper
Download eEID_RKDumper: http://trainbit.com/files/9371999884/eEID_RKDumper.rar
Install eEID_RKDumper.pkg then remove your USB then run eEID_RKDumper
Open multiman go to mmOS
Open folder dev_hdd0/temp then copy eid_root_key to usb (48bytes) Step 5:
Convert DEX Flash To CEX Flash
First Download Special Package :
Download Special Package By Nicolas19: http://trainbit.com/files/5271999884...al_Package.rar
After Download,Extract That To Drive " C " in your PC, now install Win32OpenSSL_Light-1_0_1c.exe, during the installation,Select " /bin " after Installing Finished,Go in Drive "C" and Rename OpenSSL-Win32 To OpenSSL.. now Rename your DEX Flash(flash_store_3.500) to "flashdex" and eid_root_key to eid0 and Then copy both the file in c2d Folder. Open CMD and Type the two times " cd .."
Go in c2d folder with Typing "cd c2d" You are already in c2d Folder. Now copy the text below and Paste in CMD and Then Press "Enter":
c2d.exe eid0 flashdex.bin flashcex.bin 84
A new file will be created with the name"flashcex" Rename flashcex to myCEX.EID0.NORBIN and Continue Step 6:
Write your CEX Dump on Flash
Copy my.CEX.EID0.NORBIN (nor Console) to USB Device and Connect it to your PS3
Open multiman > mmOS then double click 3my.CEX.EID0.NORBIN in USB Device and Choose yes>yes>yes
Quit multiman but Don't turn off your PS3
Now Put Rogero CFW v3.7, Lv2diag.self in your USB Device Like Step 3 and Connect to Right USB Port
Run FactoryServiceMode app From XMB and wait until your PS3 turn off automatic
After your PS3 turned off ,You must get out of FactoryServiceMode
Put Lv2diag2 (Like Step 3) in a empty USB device and connect USB Device to Right USB Port and turn on your PS3
Now you are already on Rogero 3.7 and Your Console is CEX enjoy...
: beware this tutorial will format your internal PS3 HDD and if you want to know your original region you must dump your DEX flash (from converted console) and open it with HEX editor, here example:
: You can check this easy on the back sticker without dumping e.g the original TargetID/region:
Regioning/original TargetID check> Last two numbers in the CECHxxXX SKU name (ps3devwiki.com/wiki/SKU_Models#Regioning)
Finally, from deank
: You don't need your original DEX or CEX flash to start the conversion. The only thing you need is your eid0 key. If you have it then it is all simple. If you don't have it and you lost all backups/key/flash, just skip to the 2nd "tutorial":
If you're on DEX and the only thing you have is your eid0 key:
1) Downgrade to 3.55 DEX
2) Install multiMAN (CEX version)
3) Dump your NAND/NOR from mmOS
4) Use c2d.exe and your eid0 key and convert your DEX flash to CEX
5) Double click the newly created blabla.CEX.EID0.NORBIN / .NANDBIN in mmOS
6) Reboot and install 3.55OFW or 3.55KMEAW or whatever 3.55FW version you like.
If you LOST EVERYTHING and you don't have your eid0 key or flash or anything:
1) Downgrade to 3.55DEX
2) Install "lv2_loader" and use it with proper lv2_kernel.self in /dev_flash (lv2_kernel.self from 3.55KMEAW)
3) Once switched to the "cex" lv2 kernel use the EID0_Dumper and you'll get your eid0 key
4) Follow steps 2) to 6) from the tutorial above. Done.
You had to be QA'd before installing the DEX firmware. Install the 3.55CFW CEX from XMB, not from recovery and YES it will boot after flashing the NOR/NAND. I've done it over 50 times already.
If you didn't dehash/QA your PS3 before installing DEX (only if you used dex above 3.55) then most probably you'll get the SIREN beeps (like 8 beeps) when you turn on the PS3 and you'll need a jig/usb/psp for FSM.