LG GW620 Development/Kernel hacking (Have LG source mods + trying to get 2.0 working)

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raisage

Senior Member
Oct 27, 2010
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Toronto
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Zacpod

Senior Member
Nov 17, 2009
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Toronto, ON
raisage said:
It depends which firmware you need, but maybe these links will help:

http://cyanogenroms.com/gw_620/
(http://cyanogenroms.com/wp-content/uploads/metainfo/repo/gw620/firmware/10fstock.zip)

http://theunlockr.com/2012/11/07/how-to-unroot-the-lg-gw620-eve/

Hope that helps!
Click to expand...
Click to collapse

I also have V10T - not sure if it's stable or not tho... It's been a looong time since I looked at a 620. http://www.zacpod.com/files/V10T.zip

Have you checked out OpenEtna? They had some Cyanogen ports that were actually pretty decent.
 
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sol-invictus

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Feb 5, 2011
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Since this thread got revived I may add my 2 cents to the discussion!

First of all, it seems that the homepage of http://openetna.com/ went down (also the forum and wiki) - i will try to contact cwhchew to find out what happend...

Secondly, there has been some development for the LG GW620, so this i want to sum up here:

OpenEtna - the last version based on Android 2.2.1 available on http://code.google.com/p/openetna/ is Openetna V6.3-rc7

But there has been also some development on Android 2.3.7, there was a project started called openEve.

OpenEve - There is a port of CyanogenMod 7.2.0-RC0 on the page http://code.google.com/p/openeve/ - also there is a alpha port of Android 4.0.3 available there (CM9 ICS 4.0.3) dated on 2012-01-13

And finaly there is a project called openEve-continues which is based on the released CyanogenMod 7.2.0 available here: http://code.google.com/p/open-eve-continues/ - it is dated on 2012-07-27

I hope this helps someone to find the right custom firmware for the good old GW620!

I also started a entry for the LG GW620 on the XDA wiki: http://forum.xda-developers.com/wiki/LG_GW620
 
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    R
    raburton
    And since we're giving away secrets, here is a handy tool to extract those system.mbn files LG ships. This allows you to extract and browse the filesystem easily without having to flash your phone. It's based on unyaffs because that's basically what the filesystem is, but the LG ones don't use OOB data for the fs, but do have some extra data in them (probably checksums) which needs to be skipped.

    Edit: updated unyaffsmbn to preserve uid & guid (if run as root) and timestamps
    View
    2
    Z
    Zacpod
    raisage said:
    It depends which firmware you need, but maybe these links will help:

    http://cyanogenroms.com/gw_620/
    (http://cyanogenroms.com/wp-content/uploads/metainfo/repo/gw620/firmware/10fstock.zip)

    http://theunlockr.com/2012/11/07/how-to-unroot-the-lg-gw620-eve/

    Hope that helps!
    Click to expand...
    Click to collapse

    I also have V10T - not sure if it's stable or not tho... It's been a looong time since I looked at a 620. http://www.zacpod.com/files/V10T.zip

    Have you checked out OpenEtna? They had some Cyanogen ports that were actually pretty decent.
    View
    2
    D
    Dragon Kim
    introduce Open eve

    Hi,

    Let me introduce openeve firmware.

    http://code.google.com/p/openeve/

    This firmware from the South Korea.

    Openeve has the two version firmware.

    Froyo & Ginger bread

    Froyo verion is Stable version.
    Ginger bread is Test version.

    based on LG official kernel 2.6.32

    So, Fast and Stable.

    But, careful. Openeve made for Korean user.

    Do take care of your regional settings.
    View
    1
    H
    harnish
    Decompressing the KDZ

    Okay, it took me a while to find the right version of the LG-Utils program to decompress the KDZ file. From those of you following along at home, you want at least version 0.4.2 (the most common version is 0.4.0, which is great if you want to flash your phone with the firmware it appears).

    Okay, for those looking at this thread for the first time, here are a quick set of instructions to get you caught up to ZacPod (as of the 19th anyway).

    (1) Download the firmware: http://csmg.lgmobile.com:9002/swdata/WEBSW/GW620R/ARGSBK/V10c_00/V10C_00.kdz
    (2) Download LG-Utils 0.4.2: http://www.assembla.com/spaces/ks36...eJe5afGb/download?filename=LG-Utils-0.4.2.zip
    (3) Run KP500-Utils-EN.exe (or whatever language you prefer out of the available choices) and select I to extract the KDZ.
    (4) Open the resulting CAB file and extract the DZ file.
    (5) Download DZExtract: http://www.frenchcoder.com/upload/DZExtract-V0.2.zip
    (5) Use DZExtract to extract the MBN files:
    Code: 
    DZExtract -x GW620RAT-V10c-OCT-21-2009-RGS-CA_DZ+0.dz C:\extractedTo\

    Voila, lots of MBN files: amss.mbn (8717kb), partition.mbn (0kb), qcsblhd_cfgdata.mbn (0kb), qcsbl.mbn (32kb), oemsblhd.mbn (0kb), oemsbl.mbn (150kb), amsshd.mbn (0kb), appsboothd.mbn (0kb), appsboot.mbn (215kb), zImage_Ramdisk.mbn (2030kb), System.mbn_0 (95089kb), System.mbn_1 (12158kb)

    Now, the zImage_Ramdisk likely contains the kernel. The question is if there is anything else in there. In a hex editor, it starts with the string "ANDROID!" and later on has "mem=88M console=ttyMSM0 androidboot.console=ttyMSM0". Running strings on the mbn files might yield interesting tidbits.

    System appears to be too big and was broken into two pieces ... I suspect it needs to be put together again before it will be of any use.

    amss.mbn is intriguing ... it starts with the string ELF, which is common of linux executables. Not sure what the smss.mbn is. There are also page after page of "empty" sections (all null's). Are there multiple files in here? I don't think this is a filesystem ...

    partition.mbn is kind of interesting too. It contains the strings MIBIB, WALLPAPER, OEMSBL2, DLOAD, AMSS, APPSBL, FOTAUSD, FOTAPKG, ZIMAGE, SYSTEM, DRM, CACHE, and USERDATA. I'm assuming it defines the partition tables.

    The question really is, what are these mbn files? They don't look like filesystems, but I'm not really familiar with YAFFS2.

    This thread here:
    http://forum.xda-developers.com/showthread.php?t=399249
    Talks a lot about the DZ file format and there is some discussion about MBN files.

    However, it doesn't appear they are in any special format so I tracked down the YAFFS specs (http://www.yaffs.net/yaffs-spec). I'm hoping they might shed some light on what these files really are. Some notes on YAFFS2 are here: http://www.yaffs.net/yaffs-2-specification-and-development-notes, but they are rather out of date.
    View
    1
    S
    sol-invictus
    Since this thread got revived I may add my 2 cents to the discussion!

    First of all, it seems that the homepage of http://openetna.com/ went down (also the forum and wiki) - i will try to contact cwhchew to find out what happend...

    Secondly, there has been some development for the LG GW620, so this i want to sum up here:

    OpenEtna - the last version based on Android 2.2.1 available on http://code.google.com/p/openetna/ is Openetna V6.3-rc7

    But there has been also some development on Android 2.3.7, there was a project started called openEve.

    OpenEve - There is a port of CyanogenMod 7.2.0-RC0 on the page http://code.google.com/p/openeve/ - also there is a alpha port of Android 4.0.3 available there (CM9 ICS 4.0.3) dated on 2012-01-13

    And finaly there is a project called openEve-continues which is based on the released CyanogenMod 7.2.0 available here: http://code.google.com/p/open-eve-continues/ - it is dated on 2012-07-27

    I hope this helps someone to find the right custom firmware for the good old GW620!

    I also started a entry for the LG GW620 on the XDA wiki: http://forum.xda-developers.com/wiki/LG_GW620
    View

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