New to Rom Modding, How to pack and unpack img or app files

Discussion in 'Huawei Ideos S7 Slim Technical' started by electron_theory, Sep 4, 2011.

  1. electron_theory

    electron_theory Member

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    As the title says, I would like to mod the standard S7slim rom... Nothing too drastic, but I would like to remove some of the built in apps and whatnot, otherwise just exploring the files and tinkering around in general. I have managed to download some unpacked images that tri-zet had posted, but I would like to re-pack them and put them on my slim... I'm new to this so don't be too hard on me. Searching has turned up a lot of various information, much of it outdated and/or not pertaining to the slim... :/
     
  2. tri_zet

    tri_zet Senior Member Developer

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    Location:
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    Tablet / Device:
    Huawei Ideos S7
    first of all you need linux machine

    1. working with UPDATA.APP

    you need:
    - split_updata.pl to to unpack UPDATA.APP file, it will split to lots of file. take a look at file size, the largest one is system.img, 2 files are around 3.5 MB, they are boot.img and recovery.img. you will know which one is recovery and which one is boot after unpack it.
    - split_bootimg.pl to unpack boot and recovery img.
    - unyaffs to unpack system.img

    download link and how to use it : Power Word, Code

    2. working with apk or jar file

    - you need apktool to decompile/recompile apk/jar file.
    - edit PNG image
    - search threads on xda developers how to edit .9 patch PNG image and XML files
    - recompile apk/jar files

    3. repack system to yaffs img using mkyaffs2image. mkyaffs2image
    flash to your tablet using fastboot
     
  3. electron_theory

    electron_theory Member

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    it looks like im out at "linux machine" bummer. Imight have something that i can throw together together and install linux on.
     

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