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PS3 Slim 3.70 Unit Downgraded to 3.55 Kmeaw Custom Firmware


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175w ago - Today Italian site DiGiTaLAnGeL (linked above) reports that they have successfully downgraded a PS3 Slim 3.70 Firmware unit to 3.55 Kmeaw Custom Firmware, followed by a New Method - PS3 Downgrade v2 Supports all NOR Flash from TwoStone.

Similar to the PS3 Firmware 3.6x Downgrade via Infectus, this round they have downgraded a PlayStation 3 v3.70 Firmware console using ProgSkeet with the assistance of Dospiedra with a roughly translated PS3 3.7x Downgrade for Slims and Fats with NOR Flash now available.

To quote, roughly translated: The first downgrade to 3.70 on PS3 Slim 3:55, DiGiTaLAnGeL tested by us!

For the first time, we have been involved in something truly spectacular We were the first in the world to test the downgrade from 3.70 to 3:55 on a PS3 Slim (With flash memory, "NOR") using the ProgSkeet and patched some files provided by dospiedra, a famous Spanish coder already riding high for having discovered the method of going back to 3.55/3.41 with the PS3 (FAT flash memory "NAND").

After several attempts, in collaboration with dospiedra, we got to go back from 3.70 to 3:55, enter the factory mode with a simple key to jailbreak, rifleshare a modified version of 3:55 to prevent the SYSCON (the registry in between downgrades) was consulted during the downgrade and now we are happily at 3:55 KMEAW!

With this version of moddata 3:55, you can perform a memory dump today and you can switch on the fly from 3:55 to 3.70 without having to do this all the time-consuming process: using progskeet fact you can go straight to 3.70 changed to 3:55!

Dospiedra said it will release details on the patches applied to the NOR and the update file as soon as possible.

New life for those who arrived too late to enjoy the benefits of the 3:55?












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Comments 94 Comments - Go to Forum Thread »

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#84 - PS3 News - 168w ago
PS3 News's Avatar
Following up on the QT Flasher for PS3 Test and Localized Versions for the ProgSkeet device, today PlayStation 3 developers uf6667, ago and bmx have made available the Winskeet40000 Rev 111002 software platform for Windows following by official Linux / Windows versions from [Register or Login to view links].

Download: [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links]

Below are the recent changes, to quote:

11xxxx:

  • New Qt GUI implemented
  • Linux and MacOS X support
  • Added predefined and user presets
  • Fixed ability to select invalid ranges
  • Added a file patcher
  • Flasher: Added support for canceling running operations
  • Flasher: Added USB device reset
  • Flasher: Added support for erasing as a stand-alone operation
  • Flasher: Added cycle period selection, should help with longer cables
  • Flasher: Added abort on error option
  • Flasher: Reodered operations, full read, full erase, full write
  • Flasher: Fixed bug with unreliable GPIO operation
  • NOR: Added new write mode "Dual word program"
  • NOR: Added display of total flash size
  • NOR: Fixed flashing of the second half of Samsung K8Q2815UQB and likely other dual chip NORs
  • NOR: Added erase block region configuration
  • NOR: Added selection of number of bytes for buffered write
  • NOR: Added support for Spansion S29GL128N90TFIR2
  • NAND: Made custom ranges work
  • NAND: Added Dual-NAND reading. Reads a block from two NANDs simultaneously, thereby doubling the speed.

Notes:

  • If you're using 16MByte SAMSUNG NOR, please use Sector Size: 4kB/ Sector Count: 4096 and check "alternate writing method".
  • Differential flash, if you haven't noticed yet, will skip unnecessary writes (compares data on chip vs data in file)

Finally, below is GlitchSkeet Rev 111216 via [Register or Login to view links] for those who wish to RGH with ProgSkeet (for XBox 360 users primarily at this time).

Download: [Register or Login to view links]

To quote: GlitchSkeet: is another bitstream written specifically for the ProgSkeet flasher, which will allow it to operate as a Glitcher like the many Glitch-Chips out there now that are used to perform the Reset Glitch Hack on the XBox 360 console.

The GlitchSkeet Bitstream currently have support for only the "Trinity/Slim" XBox 360 board model, It may need some more tweaking as well as adding support for other XBox 360 board models in later releases as time allows.

But anyway, all Skeeters/ProgSkeet owners have the right to test this Bitstream as it is in its current state.

Compatibility: This Bitstream is compatible with ProgSkeet v1.1 Crystal Blue only, ProgSkeet v1.0 Crystal White won't work.

Preparation: Short R12 and R9, Open R11 and R10

Pinout:

GP5 = I2C_SCL
GP6 = I2C_SDA
Adr0 = CPU_RST (you must add a Capacitor of 220pf/230pf/270pf between Adr0 & Ground)
Adr2 = POST_OUT1
Adr4 = DEBUG PIN / LED

N.B: the Injectus Jtag USB programmer is needed in order to update ProgSkeet with this Bitstream.

Credits to uf6667, Ago, bmx, nice69 and to all ProgSkeet Team members and testers.

More PlayStation 3 News...

#83 - juschill - 169w ago
juschill's Avatar
Been out of the loop for awhile hope this isnt the wrong place to post.. what I'd like to know is as of right now is there and way to downgrade or use a cfw for fimware 3.61?

if not should I stay on 3.61 or upgrade?

#82 - neo0912 - 170w ago
neo0912's Avatar
Quote Originally Posted by gunman2011 View Post
Good news.. so is there any hope now to fix the 3.56 [ factory service mode ] stuck, my ps3 is sleeping since long time.

please anyone has any idea lets us know many people will be happy for this.


People, this was a concern with no proper answer. Please is there really hope for this, many are really waiting for this...

#81 - RubicusV - 171w ago
RubicusV's Avatar
I'm gonna use this to my CECHCxx, thanks for your kindness.

If any progress i've made to downgrade my PS3 3.61 to 3.55, i would glad share in this forum.

Thanks

#80 - PS3 News - 171w ago
PS3 News's Avatar
Quote Originally Posted by RubicusV View Post
would you mind re-upload again this file?

Yep, I have attached it for ya below.

 

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