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176w ago - A few weeks back PS3 Firmware 4.0 was released, and recently French PlayStation 3 developer UpSilon has made available a dump of the dev_flash contents for others who wish to examine it alongside a previous version below.

Download: PlayStation 3 Firmware 4.00 Dev_Flash Dump / PlayStation 3 Firmware 3.73 Dev_Flash Dump

To quote, roughly translated: UpSilon, French developer already known to have deciphered some files on the console of Nintendo 3DS, ext today through his blog, the dump dev_flash firmware 4.00.

For information, dev_flash is a very sensitive part of the PS3 NAND which contains many key information such as firmware, the numbers of encryption running games and other programs, or other important files firmware. The dump of this part could therefore, if a developer managed to unpack, to facilitate the establishment of a CFW 4.00.

Upsilon also announced it has started working on the reactivation of the Service Mode (Jailbreak) on 3.56 + firmware.

From UpSilon's page: Here is a dump of the version 4.00 dev_flash.

I had previously leaked dump my firmware 3.73 (Available for download in the "Download"), but my site was still under construction and I lost much time to update it due to the time I devote to my studies (Terminal LAC) and I did not have much time was devoted to the scene.

During the holidays I am responsible, but I will try to give as much information as possible waiting for a response from Kakaroto. I shared these dumps to get the attention of developers to program an emulator we dev_flash.

For those who want to test dumps on 3.41JB with "FIRM JaiCrab Load" because you can try on my side, I used "CFWLoad 1.0" in 3.41JB (PL3). Emulation looked heavy, I could not leave the program because after a few seconds the console would have been totally blocked. I thought at first the problem was my jailbreak. However, this was not the case, because after I tried with a 3.41 dump (edit) and loading it well.

I finally concluded that the emulator should help the dev_flash home to work, for this reason that when you make a NAND emulated with SHIFT it resets everything to ultimately make a regular MAJ that will change the real dev_flash your console. Attention, the emulator does not emulate completely dev_flash stored in your USB drive. (Internal HDD etc ...).

If developers are interested in these dumps, I hope they will do something. I for my part I work on the Factory / Service Mode firmware higher than 3.56 and the Nintendo 3DS.


PS3 Firmware 4.00 Dev_Flash Dump by UpSilon Arrives, Detailed

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#153 - technodon - 149w ago
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this got sonys attention..

#152 - LKJHGFDSA - 149w ago
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This is wickedly awesome! Well done, master0wn3r.

and I must say, this post is written fairly well. Thanks spark32.

#151 - Lucifer Kain - 149w ago
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It doesn't take to long for Sony to patch it...

http://www.ps4news.com/playstation-3-psn-news/sony-ps3-system-software-update-v4-20-is-incoming-detailed/

#150 - condorstrike - 149w ago
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thanks technodon

and someone try Condor Updater v1, it should work.

#149 - technodon - 149w ago
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Joey inspired me to make a new kiosk firmware however this one will only install on 3.55 make sure you have a hardware flasher before installing this as there is no other way to downgrade. Features include:

1. Added Custom Coldboot
2. Patched to allow installation of Sony Retail Signed Packages
3. Added install package file options to the Game Category

i tried to remove XMB restrictions to playstation home and the store, it might not be possible now. i think sony changed something? maybe ps3hen can take a look.

http://www.putlocker.com/file/4BE5EFD79FC8CD97

#148 - ps3hen - 149w ago
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What are you talking about? Apps made for CFW won't work on OFW, because they utilise peek/poke.

#147 - technodon - 149w ago
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one thing it does actually prove is that sony did add more verification checks to check the integrity of the pups. any changes made to dev_flash files including cold boots gives data corruption errors. so there will not be any new custom firmwares installable on 4.11 you will need to downgrade back to 3.55 and update.

install package files doesn't even work. by work i mean not even sony retail psn signed packages. maybe some kind of special shop packages install ?

#146 - StanSmith - 149w ago
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All 3.55 apps should work as how do you think lower firmware games and apps still work.

All we need to do is maybe sign them a different way as its probably blocked the signature for homebrew.

Just sign homebrew for a lower firmware should still work in higher firmwares.

#145 - technodon - 149w ago
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This is not good, i'm sorry but like Kakaroto told me 'your just telling sony how to patch their firmware without any good reason'

when there finally is a jailbreak we wont have install package options

i'm going to install this just cause he says that you can convert the console back to retail which i wouldn't have thought is possible like he said also i very much doubt that you can install this on 4.11 cause if the new security checks and remember if you update from 3.55 you have no way to downgrade without a nor or nand flasher!

its very good actually. i'm quite surprised how he managed to convert from retail to shop then back to retail on 4.11. going to test it on my unhackable 3000x series console.. wish me luck!

it even works on a unbackable 3000x series console sony will be breaking down your door and taking your ps3's MR. Joey Johnson, shame that homebrew is never going to run on this unless he is a specialist in algebra equations. but well done for hacking sony's latest model!

#144 - ps3hen - 149w ago
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So this is a kiosk firmware update with retail firmware flags. And the "return FW" is a retail firmware update with kiosk flags. This will only be able to install retail pkgs so that's probably why "no packages install", as all homebrew pkgs are not proper retail pkgs. Nice POC, but I don't think kiosk fw will lead into an exploit.