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PS3 DOWNGRADING - Things you need to know!

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  • PS3 DOWNGRADING - Things you need to know!

    For a guide, see baileyscream's The Ultimate Fool Proof Guide - PS3 Hardware Downgrading

    Originally Posted by baileyscream
    ok just to help round things up.

    there is no cfw above 3.55

    the only way to get back on 3.55 from a higher firmware is to use hardware

    some 2500 model's cannot be downgraded at all

    no 3000 model's can be downgraded

    the hardware options are :- ProgSkeet / TEENSY++ / E3 FLASHER

    all 3 can be soldered directly to the mainboard or called motherboard etc

    all 3 can use a clip to attach directly to the NAND or NOR chip(s)

    the ps3 slims are NOR type

    early PHAT ps3's are NAND type. later PHAT model's are NOR.

    the ProgSkeet will read / write both NAND & NOR chips

    the TEENSY++ will read / write to NOR only

    the E3 FLASHER will read / write & fast duel boot NOR only (the E3 website states NAND aswell but currently it isnt possible)

    you also need:-

    Progskeet: a DEV board for service mode if solderless:- NAND = 360clip (nand) & "Y" board or NOR = 360clip (nor) (but this needs a pin removing and it isnt easy)

    TEENSY++: no DEV board needed as it is a DEV board & if solderless:- 360clip (nor) & a set of jumper cables

    E3 FLASHER: a DEV board for service mode & a micro sd card (it comes with a NOR clip)



    Downgrade/Factory-Service-Mode Tools:

    E3 Flasher (FSM Tool not included)
    or
    ProgSkeet (FSM Tool not included)
    and
    Teensy ++ USB - For NOR model downgrading. Also for entering FSM. Or use one of these...

    Other (Clones like PS3Break, Teensy ++ USB, x3max, Max AVR, iPod, TI-84+, Etc, Etc, Etc.

    Guides/Information/Files:
    Originally Posted by euss@PS3Hax
    PS3devwiki links to splitted guide sections needed for downgrade:

    Infopage about downgradeability of consoles:
    - SKU Models - PS3 Development Wiki

    Hooking up flasher and making dumps:
    - Hardware flashing - PS3 Development Wiki
    - Progskeet - PS3 Development Wiki

    Validating:
    - Validating flash dumps - PS3 Development Wiki

    Patching and Downgrading:
    - Downgrading with Hardware flasher - PS3 Development Wiki

    Beyond downgrading: dual/multiboot:
    - Dual Firmware - PS3 Development Wiki

    Files links:
    - PSGrade: Index of /files/PSGrade
    - Firmwares: Index of /files/firmware
    - Flash: Index of /files/flash
    - Servicemode lv2diags: Index of /files/lv2diag


    IRC channel (ef.net): #ps3downgrade



    Quote Source: euss@PS3Hax
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