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Old 11-02-2012   #1
smirthy10
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Question Back to the Beginning ?

I am on DEX 4.21 I want to COMPLETELY reset MY PS3 if that is even possible and if it is how do I do that. The OFW from when I first got the PS3 was 3.55 Please any Information will be much Appreciated.


Thks in Advance.
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Old 11-02-2012   #2
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Search for DEX2CEX, creating the CEX files from DEX files (if you didnt back them up), C2Dv2.exe.

There have been plenty of tuts on how to do this.

EDIT: http://www.ps3hax.net/showthread.php...989#post466989
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Old 11-02-2012   #3
smirthy10
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Question What if ?

Originally Posted by DEFAULTDNB View Post
Search for DEX2CEX, creating the CEX files from DEX files (if you didnt back them up), C2Dv2.exe.

There have been plenty of tuts on how to do this.

EDIT: http://www.ps3hax.net/showthread.php...989#post466989
Hello what if I have got the Files already then what do I need to do with them please any info will be thankful.
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Old 11-02-2012   #4
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Originally Posted by smirthy10 View Post
Hello what if I have got the Files already then what do I need to do with them please any info will be thankful.
There is a tutorial right there, and in the first post!

Here I will quote it for you:

Originally Posted by Nicolas19 View Post
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


Step1: 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



Step2: Dumping your DEX Flash with Memdump


in this Step you must Install memdump on your PS3



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.


Step3: 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

Put PS3UPDAT.PUP in Root of your USB Device

Now Download this Special Lv2diag:



too Put Lv2diag in Root of your USB Device
for going to FactoryServiceMode without Jig USB we need below App:


too 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 Link:


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)

Step4: Dumping your eid_root_key


First Download eEID_RKDumper



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)

Step5: Convert DEX Flash To CEX Flash


First Download Special Package :



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

Step6: 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............................

Source Console-Hax (for more use Google Translator)
If you have all the files, why dont you follow the guide??

If you have done this already, and MADE your CEX nor flash, why not go from step 6??
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Old 11-02-2012   #5
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