Hey Demeetrii....i am new at this too and I have been researching ...i found this.....
See if your PS3 is capable of even downgrading....
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.
Compare yours as I did my console.....which is a CECH-3001A (runs out of the room in a drunken rage*)...lol
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)
Doesnt look promising ...but I am still digging since that thread was 3 years ago and all. just wanted to help.
-Chris
reference link:
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