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PS3 CFW CEX Arch 4.21 Beta Custom Firmware is Now Released


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91w ago - Following up on their previous release, French developers Dev-Team-SPT / ARCH have released a PS3 CFW CEX Arch 4.21 Beta Custom Firmware for those with flashers who don't mind experimenting.

To quote, roughly translated: To install this CFW you need to be on Firmware 3.55.

Beta version features:

  • Bluedisk Core_OS patched CFW to 4.25 OFW aim_spu_module.self
  • Consistent backup games 4. + Or original games
  • SEN original connection
  • Spoof 04.25
  • Compatible FckPSN
  • Ca.cer version 4.25 (except CA27.cer)

How install:

Warning:

  • Do not install if the console has received a downgrade earlier
  • Do not install console-DEX
  • Install OFW from 3:55

Steps:

  • Download and install the official firmware 3.55: [Register or Login to view links]
  • Prepare a USB stick formatted in FAT32 and create a folder called PS3, then in that same folder, create another one called "UPDATE" in which to copy the file (PUPs should be renamed PS3UPDAT.PUP).
  • Connect the USB to the console and turn it on.
  • Install 3.55 OFW through the XMB
  • Once the firmware is istallatoo, download and unzip CFW 4.21 Arch
  • Replace the PS3 folder on your USB stick into one file provided by the CFW Arch 4.21: [Register or Login to view links] ([Register or Login to view links] / [Register or Login to view links])
  • Connect the USB stick to the USB port furthest to the right of your console and start the console in recovery mode
  • Select option 6 (System Update), and follow the instructions that appear on the screen.
  • Once finished, enjoy the CFW 4.21.

Update: They have now released (via ps3-solution-pour-tous.doomby.com/blog/news-ps3/cfw-arch-4-21-finale-version-0-1-for-all-ps3.html) PS3 CFW Arch CEX 4.21 Final v0.1 for both PS3 Fat and Slim consoles (above) for those interested!






Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 80 Comments - Go to Forum Thread »

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loveHack's Avatar
#30 - loveHack - 91w ago
Hello to all, the tutorial is complete, use the source to see all instructions and not have broken PS3!

This CFW is not MoD Rogero, he is based on CFW, he is more stability !

PS3MFW is just az tool for me. I have replaced the CORE_OS files and you cannot do that with PS3MFW! I use my own task!

solokaz's Avatar
#29 - solokaz - 91w ago
thanks for this, we need a CFW to install over 4.21 OFW not in 3.55, rogero 4.21 is the same thanks...

technodon's Avatar
#28 - technodon - 91w ago
its just the same a rogero v1 then? lol.

DAZE's Avatar
#27 - DAZE - 91w ago
Is just modded Rogero using MFW Builder.

SPT its just french lamz.

kientan89's Avatar
#26 - kientan89 - 91w ago
Are there anyone try using CFW CEX Arch 4.21 Beta ? Is it stable than Rogero 4.21 CFW ?

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