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Sony PS3 Debug / Test (DEX) Firmware 4.30 Update Now Available


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83w ago - Following up on the previous Sony PS3 Debug / Test leak, today the PlayStation 3 DEX Firmware 4.30 PUP has surfaced with details below.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror) / [Register or Login to view links] (Mirror #2) / [Register or Login to view links] (Mirror #3) / [Register or Login to view links] by DANNY G

Warning: According to PlayStation 3 developer soniciso as posted HERE, PS3 CEX to DEX converted units will brick when the OFW 4.30 DEX update is installed so be cautious!

PUP Hashes

MD5: 2B8F823526634F1D04A7F61261EEE850
SHA1: DD96D7D4DA85F0AAB41F7B82D348572B889A39C1
CRC32: BDCAD908
CRC16: 04A1
HMAC_SHA1: 0xF1CA59DB50C7D9B86175B95EBBF1A39D0F1AB3AE

About 4.30 DEX

4.30 DEX: Do *NOT* install this on a converted machine, it will result in a brick. There is a check on eid0(!) in lv1ldr, that will trigger a panic (fun fact: it's impossible to generate the checked data yourself, so no cex2dex without ugly patches anymore).

PUP Information

As always, keep in mind these PUP updates will currently NOT install on a retail PS3, and so they are intended for examination and comparison purposes only.

We have 100% confirmed that running this updater on a retail PS3 will not damage it, however, it will give the following error before the installation completes: The data type is not supported. (8002F029)




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 618 Comments - Go to Forum Thread »

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haze67's Avatar
#38 - haze67 - 114w ago
hi, hopefully anyone can give some feedback, tips

installed the manual ubuntu way from gitbrew guide
added the metldr from the ps3 into metldrpwn folder
transferred to root folder in ubuntu (rebug otheros - no ss patches)

in terminal:


it finished without a problem, and dumped couple files:
debug : pastie >> [Register or Login to view links]


does it look OK, pls anyone verify for me, or i can upload incase needed

dump 256kb (first 3 lines looks to be the eid_root_key?)
if OK, then "new file" in HxD, copy the 3 lines from dump and "paste write" into new file - save as eid_root_key.bin and move on from there?

eid0 4kb (all zero's-00)
mathldr
rvkprg

great stuff anyhow

and thx for any help

sguerrini97's Avatar
#37 - sguerrini97 - 114w ago
I think that you need to downgrade at 3.55 because you can't encrypt / decrypt on 3.60+, and you can't dump or flash the NOR without a flasher.

sangimed's Avatar
#36 - sangimed - 114w ago
noob question: It's possible to do that with my ps3 slim ofw 4.20 ?

sguerrini97's Avatar
#35 - sguerrini97 - 114w ago
To boot a game backup can we use a game .pkg like in geohot's custom firmware? And do homebrews (like file manager and FTP server) work on 3.55 DEX?

rikukh3's Avatar
#34 - rikukh3 - 114w ago
There's some little mistakes in tutorial, like:

Use AES Encrypt to Encrypt EID0 Key Seed as data with EID Root Key as Key and EID Root IV as IV. The result contains from 0x10 to 0x20 the EID0IV and contains from 0x20 to 0x40 the EID0Key
Correct would be 0x10-0x1F EID0IV and 0x20-0x3F is EID0Key.

And:
Build the CMAC (OMAC1) hash of the decrypted EID0 Section from 0x00 to 0xA8 with EID0 First Section Key as Key. The calculated hash has to be the same as the bytes in the decrypted EID0 Section from 0xA8 to 0xB8.
0x00-0xA7 and hash is in 0xA8-0xB7

I did it, it works great. If you willing to try yourself, I suggest to download this flashCEX.7z/flashDEX.7z from first page and try to get the same encrypted eid0 from cex as in flashDEX.7z

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