Chapter I - PS3 Downgrade General Information

Discussion in 'Downgrading' started by 3absiso, Oct 20, 2014.

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    3absiso

    3absiso New Member

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    Chapter I
    PS3 Downgrade General Information

    Let me say first, Thank you psdevwiki.com, and i can not deny PS3hax, Judges, and specially My Friend Baileyscream for helping me in learning PS3 Downgrade. Without you all, I would not do it.
    All the INFO mentioned here is a collection from the above mentioned Sites and People with some small additions by Me.

    I will be as simple as I can so you may understand what I am talking about, and this Chapter will be in a form of question and Answer. Any wrong info mentioned here is not done on purpose; feel free to contact me if you find any wrong information.

    What is PS3 Downgrade?
    PS3 downgrade, from the name of it is to go from Higher PS3 firmware to a lower one, and to be specific PS3 Downgrade is to go down from any FW (Firmware) more than 3.55 and go down to 3.55

    What is the purpose of PS3 Downgrade?
    The main purpose of PS3 downgrade is to install CFW (Custom Firmware), which is used to run games backups, Homebrews, emulators…etc.

    Is there any other way than Downgrade a PS3?
    Unfortunately, if your PS3 System Firmware is more than 3.55 you need to downgrade. Till this date.

    How to know Your PS3 System Firmware?
    To know your PS3 System Firmware, go To Setting->System Settings-> System Information (and there you have your System information. As explained in the Next Photos (Photo#1)

    Photo#1: PS3 System Firmware​

    [​IMG]

    What if My System Firmware is 3.55 or less?
    If your Firmware is 3.55 and below, you are one lucky Guy, to hack your PS3 is just a file you put in a Fat32 USB and stick it on the PS3. DONE. But we will not talk about it now.

    Why the 3.55 Firmware is the bass of PS3 Hack?
    When First fail0verflow release their PS3 exploit and Geohot used it to release 3.55 CFW. It was the breaking point for Sony, Sony made a lot of changes after words in both Hardware and software in the PS3 and increased the security and made it impossible for later PS3 to be hacked. (Irony here PSP Master Key was stored in the PS3 and all PSP get hacked after that).

    So Are All PS3s are Downgradable?
    1- Simple Answer No, all PS3 that came from Sony Factory with System Firmware 3.56 or less can be downgraded (with Rare Cases for 3.60 FW PS3) and any PS3 with FW from Sony Factory 3.60 and more are not downgradable and any attempt to do that will brick your system.

    2- Another way to know the PS3is downgradable, is the PS3 Model (as seen in Photo#2):
    o All Fat Models are Downgradables
    o Slims with Model No: CECH-25xx and less are downgradable, SomeSlims with Model CECH – 25xx and all CECH -30xx are NOT downgradable.
    o All Super Slims are NOT downgradable at all.

    [​IMG]

    3- Last Method if you still not certain in the Slim PS3s, Download Minimum Checker Version File (Link: min Checker Ver)
    Put it in Fat32 USB, the directories should be as in following image (Photo#3).

    Photo#3: Minimum Version Files Directory
    [​IMG]

    Follow the images below and see what your Minimum version is (Photo#4). If it is 3.60 and more you are out of luck (there are rare cases 3.60 Minimum can be downgraded, never face it myself).

    Photo#4: PS3 Minimum System Firmware​

    [​IMG]

    What is special about PS3 Downgrade?
    1- First of all it is not easy task at all and not for Noobs, you can brick your PS3 easily if you do not know what you are doing.
    2- You need to know some soldering skills, good with Computer and software. And common sense.
    3- It is a compensation of both Hardware and software. And you must have a brain to do such process.

    END of CHAPTER ONE
     
    Ricardo Silveira and kozarovv like this.
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    tthousand

    tthousand The One Moderator

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    Thanks for this @ 3absiso

    Stickied :D
     
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    pinkfloydviste

    pinkfloydviste Moderator

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    thousand sweet guide. I can help you out with a guide for setting up e3 linker and soldering downgrade as opposed to that stupid e3 clip.

    Sent from my DROID RAZR HD using Tapatalk
     
    Last edited by a moderator: May 1, 2016
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    tthousand

    tthousand The One Moderator

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    That sounds great.
     
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    STLcardsWS

    STLcardsWS Administrator

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    I think you should be telling 3absiso (Sweet guide ) :)


    Un-Stickied .. To keep stickies more organized i wanted to have one sticky in various forum and link all the topics we normally would sticky in that one thread. I think this makes things easier to find and makes it more organized overall. If i have lost you just look at this thread.

    http://www.psx-place.com/forum/downgrading/downgrading-resources-guides-tools-links-ect-330.html then peek at the stickies. I plan for this to be the only sticky and we update the thread from there. With any thing we would sticky we would put in that table.
     
    Last edited: May 1, 2016
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    tthousand

    tthousand The One Moderator

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    Awesome. Sounds great!
     
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    Tactik-knife

    Tactik-knife Member

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    Good summary, simply and efficacious
    .
     
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    No0bZiLLa

    No0bZiLLa Moderator Developer

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    very nice :)
     
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    No0bZiLLa

    No0bZiLLa Moderator Developer

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    also, i dont understand why everyone has troubles from the clip :0
    i always get a valid dump first try
     
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    pinkfloydviste

    pinkfloydviste Moderator

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    Maybe I had a bad clip but I could never get a good dump with it. I just set up my e3 linker and never turned back.
     
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    pinkfloydviste

    pinkfloydviste Moderator

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    My mistake, was using my phone to read the forum. @3abisiso sweet guide. let me know if you would like any pictures or help or anything as far as the e3 clip goes. I've always used it with great success. Thanks for the time you spent putting this guide together.
     
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    LightTenshimaru

    LightTenshimaru New Member

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    Good explanation.
    Maybe a translation to PT-BR can be usefull.
     
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    SumOneWhoLuvzU

    SumOneWhoLuvzU New Member

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    Same here. Shaved the plastic down on my clip and get valid dump on first try every time now. Now I need a Progskeet that works properly to do NAND consoles. Anyone want to sell one let me know. I have the black tar but have never been able to get it to work right. Although i havent tried in a year.
     
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    Arslan Aslam

    Arslan Aslam New Member

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    What does 1B means .?
     
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    kozarovv

    kozarovv Super Moderator

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    Is production date (1b - second quader of 2011) You got on the picture, where to find data code.
     
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    zakips2

    zakips2 New Member

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    hi 3absiso i need your help when i try to downgrade my ps3 FAT edition CECHG04 I have problem but on ps3 CECHC04 (04 USB) NO problem on i try to dump nand0 or nand1 i fond deference on same nand0 or 1
     
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    Zirukkhan

    Zirukkhan New Member

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    PS3 Model# CECHK01

    bro
    when i checked this message appear "Update data of version 2.16 or later can be installed on this system. (8002F967)"

    but when i want to install CFW Rebug 4.76.1 lite then every time "data is corrupted (8002F967)" appear

    i'm on OFW 4.76

    and also try to downgrade ofw 3.55 but the same message appear "data is corrupted (8002F967)"

    plzz help

    May ALLAH SWT Bless you
     
    Last edited: Nov 1, 2015
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    kozarovv

    kozarovv Super Moderator

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    Zirukkhan

    Zirukkhan New Member

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    Thanks bro

    Is there any way without using any hardware flashing?
     
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    kozarovv

    kozarovv Super Moderator

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    No, only solution is to use hardware flasher.
     

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