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October 23, 2013 // 3:07 am - Today Coolshrimp Modz made available a PS3 Downgrade Tool v1.00 followed by some revisions below for those interested in downgrading your PlayStation 3 console.

Download: Downgrade Tool (PS3) v1.00 Setup.exe / Downgrade Tool (PS3) v1.00 Setup.exe (Mirror) / Downgrade Tool (PS3) v1.01 Setup.exe / Downgrade Tool (PS3) v1.03 Setup.exe


  • Read, Write Support (NOR & NAND)
  • Offset & Address Support
  • Flash Teensy++ 2.0
  • Drivers and Necessary Programs
  • Install Images
  • NOR & Nand Support
  • CMD Line
  • CFW Downloads



  • First Release


  • Added Write Mode Options
  • Edited Some Text
  • Added Flow Reduilder
  • Added Diff Write
  • Bug Fix


  • Added Auto Updater
  • Updated to support 4.50 OFW
  • Added link Rogero 4.50 CFW
  • Right click (Patch nand without checking)


  • ModderFokker619

Any Bugs Please Post In This Thread.

PS3 Downgrade Tool v1.00 By Coolshrimp Modz is Now Available

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#6 - racer0018 - November 13, 2013 // 5:23 am
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If the system cant be downgraded with out a hardware flasher then it still needs one. All this one does is allow for dumping with a hardware flasher. There is no different as far as models that can be downgraded. It is still the same.Thanks

#5 - azoreseuropa - November 12, 2013 // 10:11 pm
azoreseuropa's Avatar
Hello.. Some of us wants to know the answer about downgrade question.

#4 - npsk8ter - November 12, 2013 // 12:42 pm
npsk8ter's Avatar
Is a flasher still needed for this?

#3 - ransuKuro - November 7, 2013 // 7:01 am
ransuKuro's Avatar
one question will this or will it not downgrade my ps3 super slim cech-4000 v4.50 to 3.55 and if it work will i be able to install my ps3 super slim with the rogero CFW v4.50?

#2 - PS4 News - October 25, 2013 // 8:10 am
PS4 News's Avatar
I added a mirror to the main article now alongside some revisions as well.

#1 - SithOrder66 - October 25, 2013 // 6:57 am
SithOrder66's Avatar
link does not work, loads up an error page saying This web page has a redirect loop.