[Q] How to unpack update.pkg - Android Software/Hacking General [Developers Only]

Hey guys, sorry if this is a simple question but i've searched and found nothing. New to android, been using winmo for the past 7 years, and looking to get into rom developing on android.
So how do i unpack a rom i downloaded thats in the update.pkg format?

looking for that. how can i extract or unpack a .pkg file? there are a handfull update.pkg.zip files around the web but how do they open the original update.pkg files need help to extract the amss.mbn from my "Streak_309_0_00.pkg"
greetings from germany

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Customizing .nb0 (ROM) files

Hi everyone,
My PDA support center distributes updated roms in "nb0" file format, I was wondering if anyone could help me throught openning this file and doing some modification. Since there are many unusefull applications inside it and I want to delete or subsitite them. I read some topics about cooking roms in forum but I cann't find any information about customizing "nb0" files.
Thanks!
Pedram
Fortunetly, I could dump content of ".nb0" file with tools provided here: http://forum.xda-developers.com/showthread.php?t=249836 (Beta: WM5 ROM editing tool). I got pleanty of files in dump folder. It's har for me to diffrentiate which file is which!
Could any one help me to find my voice command application inside this dumped rom and repalce it with another voice commmand application such as MS voice command?
There are some files and directories with this name in my dumped rom:
VoiceBar.dll, VoiceCtl.dll, voicedll.dll, VBarCall.dll, VCOMCtl.dll
I am really confused! I do not know what files should I delete or where copy new files.
Thanks in advanced.
i want to change my windows mobile 6.1 os 64mb rom to 128mb but i cant find any editing tool. im using asus p535 and rom file GalaxyII_new.nb0 like that.
moved to Q&A

How to extract .img Files?!

Hey guys,
how can I extract the .img files that come with the SDK?
Actually I want to try to port the Android 2.0.1 that comes with the emulator to my device but I don't really know how I have to do that.. But I'm very excited about it and it would be very helpful for me if somebody could write a short overview how to do that (I know that I have to care about many other things like a boot.img and so on..).
Best regards,
b!rust
Google "unyaffs", it should work with the img files.

[Q] How to deal with RAR ROMs ?

Hello folks !
I'm kind of new to the Android world (got my X8 like a month ago). I rooted one week ago and would now like to install racht's Floyo 0.15 on my phone.
I installed xRecovery just fine. The only thing I can't figure out it how to deal with the ROM... It's a RAR file... When I unrar it, I get 4 files : cache.img, data.img, nandroid.md5 and system.img. What should I do with those ? Zip them in an update.zip file ? That what I would do but I don't want to screw up so I'm asking here just to be sure. I searched around on Google and here and didn't seem to find any similar threads... Am I right or wrong ?
Thanks in advance !
Know your file extentions!
Allways check any file extentions for PC/Linux/Unix/Mac/Android/WinMo at
http://filext.com
rar - packed archive
img - image file
md5 - checksum file
Start reading the Android WiKi here on xda-developers and educate yourself first.
Have fun,

[Q] How do you extract a .img file?

help me i need to know how to extract a .img file and rebuild it in debian thanks for any help
I don't know who debian is, but I wanted to know how to extract an IMG file just to put an APK on my sdcard.img working in sdk. Never did find out though...
I'm with you buddy!
Find unyafss command on internet
Sent from my IDEOS S7 Slim using XDA App
here it is
http://forum.xda-developers.com/showthread.php?t=961164
Search b4 posting

[Resolved] [Q] How would I edit Lolipop rom files

I am making a rom and I am stumped on were the android files on compaired to lolipop. How would I go finding, extracting and editing them? Google and xda search showed no solution.
I found a solution after diging a lot more
:http://forum.xda-developers.com/and.../how-to-conver-lollipop-dat-files-to-t2978952
Google changed the system folder in the system.new.dat file.

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