Ps3 Hardware Downgrading

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Ps3 Hardware Downgrading

Post by Corp Dwayne Hicks on Sun Mar 13, 2016 8:43 pm

The Ultimate Fool Proof Guide:
Ps3 hardware downgrading


You Can Downgrade From all firmware versions. its the PS3 model that is important



CHECK YOUR PS3 MODEL TO SEE IF IT CAN BE DOWNGRADED
Locate the manufacturing date code found on the base of your ps3.
it will look like this


Where you see the “xx” part below you will see numbers on your ps3.
so the image above shows CECH-4003A but it will be in the below table as CECH-40XX the last 2 numbers do not affect whether it can be downgraded or not so we don’t need to list that part.

Now use DEFAULTDNB's PPC+ MD5 & DATE CHECK TOOL (DCT)v2.5.0.2E Click here
follow the steps below

Phat type Ps3's:
CECHAxx (OK To Downgrade) NAND = Progskeet / TEENSY++ 2.0 / InFeCtuS

CECHBxx(OK To Downgrade) NAND = Progskeet / TEENSY++ 2.0 / InFeCtuS

CECHCxx(OK To Downgrade) NAND = Progskeet / TEENSY++ 2.0 / InFeCtuS

CECHExx (OK To Downgrade) NAND = Progskeet / TEENSY++ 2.0 / InFeCtuS

CECHGxx (OK To Downgrade) NAND = Progskeet / TEENSY++ 2.0 / InFeCtuS

CECHHxx(OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHJxx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHKxx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHLxx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHMxx(OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHPxx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECHQxx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

DECHAxx (OK To Downgrade)


Slim Type Ps3's:
CECH-20xx(OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECH-21xx (OK To Downgrade) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher

CECH-25xxA or B (with date code [0C] [0D] [1A] are known to be ok) NOR = Teensy++ 2.0 / Progskeet / E3 Flasher
ALL THE REST(DOUBLE CHECK THIS with MinVerChk from HERE IF IT SAYS 3.55 OR BELOW YOU CAN DOWNGRADE TO 3.55
IF IT SAYS 3.56 THEN YOU MUST GO TO THE LATEST CFW DO NOT GO TO 3.55
IF IT SAYS 3.60 THEN YOU MUST NOT DOWNGRADE AT ALL OR YOU WILL BRICK THE CONSOLE)

CECH-30xx (CANNOT Downgrade)

CECH-40XX (CANNOT Downgrade)

This information was taken from HERE & HERE & HERE

Required Tools for Downgrading:
1. a NAND or NOR Programmer:
2.progskeet 1.2 / 1.21:

ProgSkeet 1.2 / 1.21 full kit

NAND

1c. NAND 48 pin 360-clip (360-clip old type)


1d NAND 48 pin uni-clip (360-clip new type)


1e. buck transformer (variable voltage regulator) the following is a uk link but can be bought world wide.

NOR


1a NOR 56 pin 360-clip (360-clip old type)

1b NOR 56 pin uni-clip (360-clip new type)


3.Teensy++ 2.0 NOR & NAND:

I didn't realise the PA pads were not part of the pre soldered points.


some additional pins will need to be ordered and attached to the missing points


http://www.pjrc.com/store/header_12x1.html


the needed extra pins for the 8 PA points and the E4 & E5 points (although the E4 & E5 pins not needed for NAND)


http://www.pjrc.com/store/mcp1825.html


The needed volt reg


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