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LG with encrypted and decrypted Versions of Firmware
http://forum.revskills.de/viewtopic.php?f=19&t=24		 Page 1 of 3
Author:  adfree [ Wed Oct 01, 2008 3:29 am ]
Post subject:  LG with encrypted and decrypted Versions of Firmware
Sometimes there are encrypted Firmware from LG. So you can't see the AMSS inside.

Multiboot concept

Code:
Modell  BREW Version   Qualcomm Chip
U250     3.1.5.73    MSM6245
KU800    3.1.4.32    MSM6275
U830     3.1.4.32    MSM6275
CU/TU500 3.1.4.32    MSM6275
KU950    3.1.4.32    MSM6275
U960     3.1.5.23    MSM6280
(K)U970  3.1.5.23    MSM6280
(K)U990  3.1.5.23    MSM6280


Singleboot concept

Code:
Modell  BREW Version   Qualcomm Chip
U8210   2.1.2.5      MSM6250?
U8290   2.1.2.5      MSM6250   
U8500   3.1.2.50     MSM6250   
U310    3.1.2.50     MSM6250A
(K)U450              MSM6250         
U880   3.1.2.42      MSM6250   
U900                 MSM6250A
L600   3.1.2.50      MSM6250


So you need decrypted Firmware. User like Dengel or r3ject offer such Versions... 8-)

Sorry. No infos about working with those named devices... Maybe somebody can check this please and confirm.

There are much more LG Qualcomm mobiles around...

Best Regards
Author:  viperbjk [ Wed Oct 01, 2008 10:22 am ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Well not really "encrypted" but compressed.

See http://forum.xda-developers.com/showthread.php?t=399249 for unpacking the dz files.

Cya,

Viper BJK

P.S.: Thanks for the list, adfree
Author:  NoName® [ Wed Oct 01, 2008 11:44 pm ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Its about LG , I can get any sw from LGE ;)

And about unpacker , it written long time ago )

Attachments:
dz_unpacker.rar [200.08 KiB]
Downloaded 211 times
Author:  viperbjk [ Fri Oct 03, 2008 10:41 am ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Thanks, NoName :)
Author:  Memwarrior [ Fri Oct 03, 2008 10:53 am ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
:) Hi guys ..

LG use ZLIB + Crypto API to make DZ's...

Anybody interested from password?


Regards: Victor
Author:  adfree [ Sat Oct 04, 2008 4:34 am ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Hello NoName®
Hello Memwarrior

:mrgreen:

Thanx for joining this Forum.

Best Regards
Author:  NoName® [ Sun Oct 05, 2008 6:51 pm ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Hi Memwarrior , glad to see ya.

DZ format are done with sources and etc. More interesting are AMSS decryption / signature , that done by SBL
as you know most of LGs have encrypted AMSS images ))) For interested i post two files )


File: amss.rar (Crypted/signed file for flashing )
DownloadLink: http://rapidshare.com/files/151198435/amss.rar

File: amss_rom.rar ( Uncrypted - as it located in NAND memory)
DownloadLink: http://rapidshare.com/files/151198571/amss_rom.rar

Have luck !
Author:  adfree [ Mon Oct 06, 2008 8:57 am ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Thanx for example. I wished it were (K)U960 :lol:

Because U250 and U960 I have not found yet as readable AMSS. :(

I'm not sure. I have not checked all Combinations. But if I'm remember correct.
From U880 the encrypted files match in the first 16 Byte.

Versions I've checked:
Code:
10a
10b
11c


Match at Start
Code:
6B79FE26F02A2EDA3D0ADFD0BF9CD841


This is all what I know. I can't identify more. I have only 11c as decrypted Version...

Best Regards
Author:  adfree [ Mon Oct 06, 2008 12:11 pm ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
U900 I compared few Versions...

Also few Versions with 16 Byte Match
B05C3E2787557DFA7D486D954E50FBC6

But for instance 11g and 11g unlock... Match in more then 16 Bytes at Start. :mrgreen:

64 Byte...
Author:  NoName® [ Mon Oct 06, 2008 5:28 pm ]
Post subject:  Re: LG with encrypted and decrypted Versions of Firmware
Hehehe , it because decoding was go by 16bytes blocks, algo are table based , I cannot say more cause work on another project now but in nearest time i try to make with that phones something interesting

16 bytes sometimes match cause this firmwares has same beginning 16 bytes )
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