[HOW-TO]Heimdall One-Click - ROM Packaging and Distribution System

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AdamOutler

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Feb 18, 2011
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Introduction
Heimdall One-Click is a open-source stack of software intended to eliminate our dependence on Odin and provide an unrivaled safe method to perform a complete flash of a device. Heimdall One-Click will work on any device which Heimdall covers. Heimdall One-click and Heimdall One-Click Packager can be used to distribute custom or stock firmware upgrades or downgrades currently on most Samsung devices. Each of the sections in this post could be an entire post on its own. I want to consolodate this information into a single area here on XDA.

Heimdall One-Click is a project which I have been perfecting for months. After 147 revisions I feel it is time to release. It is my hope that the use of this software will enable users to safely flash and understand what is going on while they are flashing firmware. Heimdall One-Click is based on Heimdall by Benjamin Dobell.

The basic outline goes like this...
  1. Obtain firmware
  2. Use Heimdall frontend to package a tar.gz
  3. Select your tar.gz file with Heimdall One-Click. Your final package will be a executable cross-platform JAR file for redistribution which will deploy everything needed to flash your ROM.
    p2iid.png

It's really that simple. See the Downloads and Source section. I will now discuss how everything works in depth.

Warning
You have the power to damage your device and others! Several times during the development cycle I had asked myself if it was ethical to release a packager. A lack of skill can easily brick a device. Building a flashable package is a skill and I do not want to see any One-Click Nukes released into the public. So I want to set some rules-of-thumb:
1. If you are unsure, do not package bootloaders into a distribution.
2. If you are going to package bootloaders, include boot.bin, Params.lfs, Sbl.bin and repartitioning option should be checked.
3. Always flash the firmware from Heimdall-Frontend before creating a one-click. Never assume it will work.
4. Please watch this video in its entirety before attempting to package a one-click.




Heimdall & Heimdall Frontend
15x47rn.png

Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung devices. Heimdall is an "upstream package" contained within Heimdall One-Click. Heimdall is Maintained by Benjamin Dobell http://forum.xda-developers.com/member.php?u=2710388 from Glass Echidna. Heimdall has its own discussion thread here: http://forum.xda-developers.com/archive/index.php/t-1104826.html
Heimdall Frontend allows a graphical user interface for flashing firmware, packaging and deploying Heimdall tar.gz files. It also provides several additional tools. Heimdall Frontend has its own discussion thread here: http://forum.xda-developers.com/archive/index.php/t-1104826.html


Heimdall One-Click Packager
n2itjk.png

Heimdall One-Click packager is a tool which will take a Heimdall tar.gz file and package it into a Heimdall One-Click. Heimdall One-Click Packager is an open-source cross-platform(win/linux/mac) program with no dependencies. After execution, the user selects a tar.gz package for one-click and the program:

1. Decompresses firmware.xml from tar.gz
2. Deploys an empty one-click java jar.
3. Writes the Tar.gz and firmware.xml into the one-click jar thereby creating a new one-click executable firmware package.


Heimdall One-Click
145hyr.png

Heimdall One-Click's job is simple; it deploys firmware with one click while keeping the user informed. Heimdall One-Click is an open-source cross-platform(win/linux/mac), dependency installing, easy-to-use, automation tool which can install firmware onto a device in download mode. Heimdall One-Click's operation is very simple from the outside, but the operation is very complex inside. See source code for more information. Heimdall One-Click has several safety features built in which make it the safest method of deploying firmware to any compatible device.

Why use Heimdall One-Click over Odin or other methods of software distribution?
  • Heimdall is Open-Source software. Without Open-Source software we would not have android or custom ROMs. Open-Source developers should support and expand the work of other Open-Source developers.
  • Odin is closed source and propritary. Not only is the application proprietary, but the drivers are also proprietary. Open-Source developers do not support Closed-Source work as it is a hindrance to development.
  • Heimdall supports Open-Source Tar.GZ compression which ensures file integrity and provides higher compression than zip formats. A 500 megabyte ROM can compress to less than 200 megabytes.
  • Heimdall can restore operation to a device which does not even have access to recovery mode. Heimdall does not require the kernel to be operational, it works at a higher level in the Secondary Bootloader.
  • A Heimdall One-Click is a single executable file which contains everything needed to flash a ROM.
  • A Heimdall One-Click works on Windows, Linux or Mac OS-X.
  • A Heimdall One-Click is not a final output format. Once you make a One-Click, the contents are not lost forever. The ROM package contained within can be unzipped using your favorite archive program, modified and redistributed.

Easiest, most portable, and foolproof method of flashing
Heimdall One-Click has been designed to be the easiest, most portable and foolproof method of flashing. The requirements are that the user knows how to put their device into "Download Mode" and that the user has Java installed on their computer.

Heimdall One-Click contains:
  • A deployable and unpackable firmware located in /com/adamoutler/heimdalloneclick/
  • Installer routines
  • Windows Drivers
  • Windows C++ Redistributable Package
  • Windows Heimdall binary
  • Linux32 Debian package
  • Linux64 Debian package
  • Mac OS-X Installation package

You can find a repository of prepackaged ROMs here at the Team Komin website: http://files.teamkomin.com/ Please note, some of these were packaged during beta testing so not all of them are high quality builds.

Obtaining firmware
Before you can package a ROM for distribution, you must have firmware to package. Here are two methods of obtaining firmware.

Obtaining firmware from a live device
The following commands can be used on most Samsung Android devices to make a backup of everything but bootloaders. Bootloaders must be obtained from official builds and cannot be pulled off a working device after you have finished developing. This may not work on devices designed for RFS filesystems if the filesystems have been converted
  1. Open a terminal to your device (terminal emulator or QuickSSHD, or adb shell)
  2. Enter the following commands into the terminal
    Code:
    su
    #Remove the target folder if it is present
    rm -r -f /sdcard/firmwarepackage
    #Write all zeros to data partition to zero flash memory until the partition is full
    dd if=/dev/zero of=/data/big_zero bs=1048576
    #Remove the zerod out dummy file
    rm -r -f /data/big_zero
    #Mount The /system folder as RW so we can read and write to it
    mount -o remount,rw /system /system
    #Drop all zeros into a file on the /system partition until it is full
    dd if=/dev/zero of=/system/big_zero bs=1048576
    #Remove the zerod out dummy file
    rm /system/big_zero
    #Make our folder to write the firmware package onto the SDCard
    mkdir /sdcard/firmwarepackage
    #Begin transfer of all relevant blocks to sdcard
    dd if=/dev/block/stl9 of=/sdcard/firmwarepackage/factoryfs.img bs=4096
    dd if=/dev/block/bml7 of=/sdcard/firmwarepackage/zImage bs=4096
    dd if=/dev/block/stl10 of=/sdcard/firmwarepackage/dbdata.img bs=4096
    dd if=/dev/block/stl11 of=/sdcard/firmwarepackage/cache.img bs=4096
    dd if=/dev/block/bml12 of=/sdcard/firmwarepackage/modem.bin bs=4096
    #Done
    echo done
    2s861dg.png
  3. copy the files from your sdcard in the firmwarepackage folder to your desktop/laptop computer.
    Never mount an RFS filesystem to your computer Your computer is not equipped to handle the RFS filesystem. All permissions data will be lost and the filesystem will be rendered useless.
  4. Using Heimdall Frontend, you can download the part.pit from the options tab to obtain the partition tables for custom ROM use.
  5. Use Heimdall frontend to package a tar.gz
  6. Use Heimdall One-Click Packager to make a One-Click

Obtaining firmware from Odin packages
You will need a base firmware package to obtain bootloaders for your device. Firmware can be obtained from several sites. Some of the more common are:
It is important that these firmwares be verified on your own device before distribution.

  1. Totally decompress the entire firmware package down to its individual files
  2. Use heimdall-frontend to create a package
  3. Use One-Click Packager to generate a one-click.

Recommended Distribution Instructions
Once you have verified that your package has been made correctly, you will want to distribute it. Here is a recommended blurb which I have found to be effective from multiple tests. Replace "MY ROM" with your ROM name and MYROM.COM with your download link.
  1. You will need Java installed on your computer Do you have java?
  2. right click and open with Java
  3. Put your device in "Download Mode" and click the flash button
  4. Problems? Enter "Recovery Mode" and select "factory reset"
Download MY ROM!

Code:
[ list=1]
[ *]You will need Java installed on your computer [url=http://www.java.com/en/download/installed.jsp?detect=jre&try=1]Do you have java?[/url]
[ *]right click and open with Java
[ *]Put your device in "Download Mode" and click the flash button
[ *]Problems?  Enter "Recovery Mode" and select "factory reset"
[/list]
[ size=4][ url=MYROM.COM]Click here to Download My ROM![/url][/size]



Downloads and Source
Heimdall One-Click Packager: http://code.google.com/p/heimdall-one-click/downloads/list
Heimdall Frontend: http://www.glassechidna.com.au/products/heimdall/

Heimdall One-Click Source Code:http://heimdall-one-click.googlecode.com/svn/trunk/
Heimdall one-Click Change Log:Change Log: http://code.google.com/p/heimdall-one-click/source/list
Heimdall Source Code: https://github.com/Benjamin-Dobell/Heimdall



Conclusion and Disclaimer
The source and applications are released under the MIT License. I have provided these resources at no cost to you without warranty. I will not be held liable. It is up to you to use these programs responsibly.

History
Heimdall One-Click saw its first appearance as "One-Click UnBrick http://forum.xda-developers.com/showthread.php?t=1153310". Since then, it has been tested and distributed as part of UnBrickable Mod, restoration back to stock, and upgrading firmware in the following threads:
http://forum.xda-developers.com/showthread.php?t=1191924 http://forum.xda-developers.com/showthread.php?t=1331381 http://forum.xda-developers.com/showthread.php?t=1330491 http://forum.xda-developers.com/showthread.php?t=1341666 http://forum.xda-developers.com/showthread.php?t=1312391 http://forum.xda-developers.com/showthread.php?t=1333423 http://forum.xda-developers.com/showthread.php?t=1333424 http://forum.xda-developers.com/showthread.php?t=1238093 http://forum.xda-developers.com/showthread.php?t=1266172
http://forum.xda-developers.com/showthread.php?t=1323527 http://forum.xda-developers.com/showthread.php?t=1288130 http://forum.xda-developers.com/showthread.php?t=1216790 http://forum.xda-developers.com/showthread.php?t=1221491

Forward
We are looking to expand Heimdall to work on more devices. We need devices to work with. Please see http://www.glassechidna.com.au/open for more information
 
Last edited:

supercurio

Retired Senior Recognized Developer
May 31, 2010
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RFS is full of bugs, you cannot read/write RFS filesystems on any computer.
RFS is prone to corruption (in many more ways you can expect)
RFS doesn't have a "packer" that zeroes empty portions in order to get filesystem images with good compressibility (IE: free space will be by default full of junk)

Also, compared to the well established update.zip format: this method doesn't provide a clean method to execute post-flashing scripts.

Why I advice not using the method described here to distribute custom ROMs as RFS.

However, distributing official firmwares in this format could be nice, but I'm not sure it's worth the hassle of re-packaging.

Note: for Ext4 based ROMs and devices like Galaxy S II or Galaxy Tab 10.1, this tool can make sense (ext4 fs packing tools are available in AOSP)
 
Last edited:

AdamOutler

Retired Senior Recognized Developer
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Supercurio, your notes on RFS are appreciated, but irrelevant if the guide I've provided is followed.

As a precaution, never mount an RFS Filesystem to your computer directly. It will corrupt the filesystem and Voodoo Lagfix will fail and bootloop. Apply Voodoo Lagfix after pulling the partitions. Flash a kernel, reboot, then pull partitions. This way you can mount it on your computer.

why to use this? using this method you will be able to ensure what is on your device is on your user's device. Rather than expecting that they are running a certain version of a certain firmware prior to applying an update.zip Heimdall One-Click also provides the easiest method to installing a custom kernel in order to get ClockWork Mod on a stock device.

As Supercurio mentioned, repackaging an odin file as a Heimdall One-Click may be a hassel, but Heimdall One-Clicks work on Linux, Windows or Mac OS-X.

I'm not going to go through all methods of development nor the functions of each file. However, if you wish to perform a factory reset, use a params.lfs from an official firmware package. If not, use the params from an active device.

There's downfalls to each method of distribution.
Update.zip requires that the user have a specific version of a specific firmware on their device. Heimdall One-Click does not require this.
Update.zip allows modification of firmware on a device. Heimdall One-Click will obliterate all firmware.
Update.zip is exactly as it says, it is an update. Heimdall One-Click is an entire firmware package.
Update.zip requires knowledge of a proprietery scripting format. Heimdall One-Click requires knowledge of Android filesystems only.

For this reason, packaging as a Heimdall One-Click makes your firmware package immortal rather than having a lifespan/dependency. A properly packaged Heimdall One-Click will always work without any expectation of the firmware on a user's device. It's a very clean way to distribute firmware.
 
Last edited:
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jmtheiss

Senior Member
May 16, 2008
1,221
776
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Awesome piece of software, incredibly easy to use, and extremely useful. Thanks for releasing this to the community!
 

Erbid

Member
Dec 24, 2007
46
2
Moto G7 Power
Thank you!

I have a 1007 Captivate and Odin / Keis were unreliable at best.
I'd love to see some Odin 1-Click repackaging for this. I could use them!!!
Downloads / upgrades with the Heimdall method have been easy to monitor and and
part that failed could easily be retried.

Without the Odin 1-click to stock being available (or failing, leaving me in an unknown state), I found the ability to use PIT, and target each section of the ROM to be critical in booting a new ROM if there is any reason the upgrade went awry from within Android.

Stock ROMs repackaged will help Odinphobes!

Erbid
 

mrhaley30705

Senior Member
Mar 12, 2011
5,813
2,442
North Georgia
Adam,
Does Heimdall frontend know which cache and dbdata file to use from a stock package, or do i need to manually select them? I've noticed that in a full package, there is a cache and dbdata file in two different places, but I do not know which one should be used. Also, should the param.lfs file be used only if flashing bootloaders, or should it always be included?

Edit
I am using stock firmware for a Captivate.
 
Last edited:

AdamOutler

Retired Senior Recognized Developer
Feb 18, 2011
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Adam,
Does Heimdall frontend know which cache and dbdata file to use from a stock package, or do i need to manually select them? I've noticed that in a full package, there is a cache and dbdata file in two different places, but I do not know which one should be used. Also, should the param.lfs file be used only if flashing bootloaders, or should it always be included?

Edit
I am using stock firmware for a Captivate.

Dbdata goes in dbdata. Cache goes in cache. Paramaribo is a bootloaders. Watch the video.
 

mrhaley30705

Senior Member
Mar 12, 2011
5,813
2,442
North Georgia
Ok, I watched the video (great tutorial,btw), but I still don't know what to do about my problem. In a stock captivate package, there is a dbdata and cache file in the pda package, and another dbdata and cache file in the csc package. Which one gets used and which one gets tossed?
 

AdamOutler

Retired Senior Recognized Developer
Feb 18, 2011
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Ok, I watched the video (great tutorial,btw), but I still don't know what to do about my problem. In a stock captivate package, there is a dbdata and cache file in the pda package, and another dbdata and cache file in the csc package. Which one gets used and which one gets tossed?

Just use one or the other.
 

AdamOutler

Retired Senior Recognized Developer
Feb 18, 2011
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Ok, thanks again.

Any chance you are going to attempt a mobile Heimdall, similar to Mobile Odin I've been hearing about?

No. ThaT method requires the device to be running and be rooted. This is way more valuable. I had considered it... until we figure out how to flash a PBL, that wont happen. Like, the software on the device, modifies the PBL as it is written.
 

mrhaley30705

Senior Member
Mar 12, 2011
5,813
2,442
North Georgia
I finally had a chance to try this. It is so easy. Your video is spot on (love the Spider Man reference:cool: ) This is so much easier than making a tar.md5 file for Odin.

One question, in your video, I noticed your terminal screen was transparent. How did you do that? It looks cool.
 

stayintwisted

Senior Member
Jun 27, 2011
82
8
waldport or
this seems to be a very valuable tool for developers and I am very glad you posted it,,watched the video,,sounds like a good thing,, could not see what you were doing,,read the post repeatedly,,yep this will be useful to the devs,, truly had hoped it would be useful to those of us on here that have figured out how to follow instructions and flash roms but really do not understand what we are doing,,now I understand why odin is so useful,,it allows people to do the job without knowing how to make the tools to do the job ( although I would like to learn that) unfortunately this seems to be a common "open source" mindset,,thats why apple sells so many overpriced machines,, they expect people to know nothing and intend to keep them that way,,so their machines are simplified and locked,, but they work without having to know how to program them,,without having to understand the whole command line BS,,yes I am guilty of being uneducated,,I am not guilty of being stupid,, I do not use tools or equipment that assumes I do not know,, I do not use tools or equipment that assumes I know more than I do,,I will continue to follow this because I still have hopes it will become useful,,to the common run of the mill user,,thanks for your work,, it is impressive,,now to get it useable to those of us that do not have years of programming experience,,that went to school when punch cards were still in existance :D
 

AdamOutler

Retired Senior Recognized Developer
Feb 18, 2011
5,224
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Miami, Fl̨̞̲̟̦̀̈̃͛҃҅͟orida
this seems to be a very valuable tool for developers and I am very glad you posted it,,watched the video,,sounds like a good thing,, could not see what you were doing,,read the post repeatedly,,yep this will be useful to the devs,, truly had hoped it would be useful to those of us on here that have figured out how to follow instructions and flash roms but really do not understand what we are doing,,now I understand why odin is so useful,,it allows people to do the job without knowing how to make the tools to do the job ( although I would like to learn that) unfortunately this seems to be a common "open source" mindset,,thats why apple sells so many overpriced machines,, they expect people to know nothing and intend to keep them that way,,so their machines are simplified and locked,, but they work without having to know how to program them,,without having to understand the whole command line BS,,yes I am guilty of being uneducated,,I am not guilty of being stupid,, I do not use tools or equipment that assumes I do not know,, I do not use tools or equipment that assumes I know more than I do,,I will continue to follow this because I still have hopes it will become useful,,to the common run of the mill user,,thanks for your work,, it is impressive,,now to get it useable to those of us that do not have years of programming experience,,that went to school when punch cards were still in existance :D

what?

get some firmware, make a heimdall package, run the one-click maker. No matter what level you're at, this is as easy as it gets. It does not get easier.
 

stayintwisted

Senior Member
Jun 27, 2011
82
8
waldport or
ok sorry to have bothered you,, I will try to find someplace to learn enough to understand what you consider stupidly simple,,I will just stick to odin and cwm they just work,,was my error for thinking that you would be able to write at a level I would understand,, but it is still going to be a very useful tool for those who can use it and I thank you for the work you have put into it
 

AdamOutler

Retired Senior Recognized Developer
Feb 18, 2011
5,224
9,815
Miami, Fl̨̞̲̟̦̀̈̃͛҃҅͟orida
ok sorry to have bothered you,, I will try to find someplace to learn enough to understand what you consider stupidly simple,,I will just stick to odin and cwm they just work,,was my error for thinking that you would be able to write at a level I would understand,, but it is still going to be a very useful tool for those who can use it and I thank you for the work you have put into it
If you're not a developer, you don't have anything to package and this thread does not apply to you. The end result is a one-click and probly is what you are looking for. This tool is for packaging your work. You must have something to package.
 

mrhaley30705

Senior Member
Mar 12, 2011
5,813
2,442
North Georgia
This IS super simple. I did it. On2 different operating systems. It's literally point and click, but a minimal amount of typing involved. And i am no good at command line. I also don't claim to be a developer, or even an advanced user.
 

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  • 32
    Introduction
    Heimdall One-Click is a open-source stack of software intended to eliminate our dependence on Odin and provide an unrivaled safe method to perform a complete flash of a device. Heimdall One-Click will work on any device which Heimdall covers. Heimdall One-click and Heimdall One-Click Packager can be used to distribute custom or stock firmware upgrades or downgrades currently on most Samsung devices. Each of the sections in this post could be an entire post on its own. I want to consolodate this information into a single area here on XDA.

    Heimdall One-Click is a project which I have been perfecting for months. After 147 revisions I feel it is time to release. It is my hope that the use of this software will enable users to safely flash and understand what is going on while they are flashing firmware. Heimdall One-Click is based on Heimdall by Benjamin Dobell.

    The basic outline goes like this...
    1. Obtain firmware
    2. Use Heimdall frontend to package a tar.gz
    3. Select your tar.gz file with Heimdall One-Click. Your final package will be a executable cross-platform JAR file for redistribution which will deploy everything needed to flash your ROM.
      p2iid.png

    It's really that simple. See the Downloads and Source section. I will now discuss how everything works in depth.

    Warning
    You have the power to damage your device and others! Several times during the development cycle I had asked myself if it was ethical to release a packager. A lack of skill can easily brick a device. Building a flashable package is a skill and I do not want to see any One-Click Nukes released into the public. So I want to set some rules-of-thumb:
    1. If you are unsure, do not package bootloaders into a distribution.
    2. If you are going to package bootloaders, include boot.bin, Params.lfs, Sbl.bin and repartitioning option should be checked.
    3. Always flash the firmware from Heimdall-Frontend before creating a one-click. Never assume it will work.
    4. Please watch this video in its entirety before attempting to package a one-click.




    Heimdall & Heimdall Frontend
    15x47rn.png

    Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung devices. Heimdall is an "upstream package" contained within Heimdall One-Click. Heimdall is Maintained by Benjamin Dobell http://forum.xda-developers.com/member.php?u=2710388 from Glass Echidna. Heimdall has its own discussion thread here: http://forum.xda-developers.com/archive/index.php/t-1104826.html
    Heimdall Frontend allows a graphical user interface for flashing firmware, packaging and deploying Heimdall tar.gz files. It also provides several additional tools. Heimdall Frontend has its own discussion thread here: http://forum.xda-developers.com/archive/index.php/t-1104826.html


    Heimdall One-Click Packager
    n2itjk.png

    Heimdall One-Click packager is a tool which will take a Heimdall tar.gz file and package it into a Heimdall One-Click. Heimdall One-Click Packager is an open-source cross-platform(win/linux/mac) program with no dependencies. After execution, the user selects a tar.gz package for one-click and the program:

    1. Decompresses firmware.xml from tar.gz
    2. Deploys an empty one-click java jar.
    3. Writes the Tar.gz and firmware.xml into the one-click jar thereby creating a new one-click executable firmware package.


    Heimdall One-Click
    145hyr.png

    Heimdall One-Click's job is simple; it deploys firmware with one click while keeping the user informed. Heimdall One-Click is an open-source cross-platform(win/linux/mac), dependency installing, easy-to-use, automation tool which can install firmware onto a device in download mode. Heimdall One-Click's operation is very simple from the outside, but the operation is very complex inside. See source code for more information. Heimdall One-Click has several safety features built in which make it the safest method of deploying firmware to any compatible device.

    Why use Heimdall One-Click over Odin or other methods of software distribution?
    • Heimdall is Open-Source software. Without Open-Source software we would not have android or custom ROMs. Open-Source developers should support and expand the work of other Open-Source developers.
    • Odin is closed source and propritary. Not only is the application proprietary, but the drivers are also proprietary. Open-Source developers do not support Closed-Source work as it is a hindrance to development.
    • Heimdall supports Open-Source Tar.GZ compression which ensures file integrity and provides higher compression than zip formats. A 500 megabyte ROM can compress to less than 200 megabytes.
    • Heimdall can restore operation to a device which does not even have access to recovery mode. Heimdall does not require the kernel to be operational, it works at a higher level in the Secondary Bootloader.
    • A Heimdall One-Click is a single executable file which contains everything needed to flash a ROM.
    • A Heimdall One-Click works on Windows, Linux or Mac OS-X.
    • A Heimdall One-Click is not a final output format. Once you make a One-Click, the contents are not lost forever. The ROM package contained within can be unzipped using your favorite archive program, modified and redistributed.

    Easiest, most portable, and foolproof method of flashing
    Heimdall One-Click has been designed to be the easiest, most portable and foolproof method of flashing. The requirements are that the user knows how to put their device into "Download Mode" and that the user has Java installed on their computer.

    Heimdall One-Click contains:
    • A deployable and unpackable firmware located in /com/adamoutler/heimdalloneclick/
    • Installer routines
    • Windows Drivers
    • Windows C++ Redistributable Package
    • Windows Heimdall binary
    • Linux32 Debian package
    • Linux64 Debian package
    • Mac OS-X Installation package

    You can find a repository of prepackaged ROMs here at the Team Komin website: http://files.teamkomin.com/ Please note, some of these were packaged during beta testing so not all of them are high quality builds.

    Obtaining firmware
    Before you can package a ROM for distribution, you must have firmware to package. Here are two methods of obtaining firmware.

    Obtaining firmware from a live device
    The following commands can be used on most Samsung Android devices to make a backup of everything but bootloaders. Bootloaders must be obtained from official builds and cannot be pulled off a working device after you have finished developing. This may not work on devices designed for RFS filesystems if the filesystems have been converted
    1. Open a terminal to your device (terminal emulator or QuickSSHD, or adb shell)
    2. Enter the following commands into the terminal
      Code:
      su
      #Remove the target folder if it is present
      rm -r -f /sdcard/firmwarepackage
      #Write all zeros to data partition to zero flash memory until the partition is full
      dd if=/dev/zero of=/data/big_zero bs=1048576
      #Remove the zerod out dummy file
      rm -r -f /data/big_zero
      #Mount The /system folder as RW so we can read and write to it
      mount -o remount,rw /system /system
      #Drop all zeros into a file on the /system partition until it is full
      dd if=/dev/zero of=/system/big_zero bs=1048576
      #Remove the zerod out dummy file
      rm /system/big_zero
      #Make our folder to write the firmware package onto the SDCard
      mkdir /sdcard/firmwarepackage
      #Begin transfer of all relevant blocks to sdcard
      dd if=/dev/block/stl9 of=/sdcard/firmwarepackage/factoryfs.img bs=4096
      dd if=/dev/block/bml7 of=/sdcard/firmwarepackage/zImage bs=4096
      dd if=/dev/block/stl10 of=/sdcard/firmwarepackage/dbdata.img bs=4096
      dd if=/dev/block/stl11 of=/sdcard/firmwarepackage/cache.img bs=4096
      dd if=/dev/block/bml12 of=/sdcard/firmwarepackage/modem.bin bs=4096
      #Done
      echo done
      2s861dg.png
    3. copy the files from your sdcard in the firmwarepackage folder to your desktop/laptop computer.
      Never mount an RFS filesystem to your computer Your computer is not equipped to handle the RFS filesystem. All permissions data will be lost and the filesystem will be rendered useless.
    4. Using Heimdall Frontend, you can download the part.pit from the options tab to obtain the partition tables for custom ROM use.
    5. Use Heimdall frontend to package a tar.gz
    6. Use Heimdall One-Click Packager to make a One-Click

    Obtaining firmware from Odin packages
    You will need a base firmware package to obtain bootloaders for your device. Firmware can be obtained from several sites. Some of the more common are:
    It is important that these firmwares be verified on your own device before distribution.

    1. Totally decompress the entire firmware package down to its individual files
    2. Use heimdall-frontend to create a package
    3. Use One-Click Packager to generate a one-click.

    Recommended Distribution Instructions
    Once you have verified that your package has been made correctly, you will want to distribute it. Here is a recommended blurb which I have found to be effective from multiple tests. Replace "MY ROM" with your ROM name and MYROM.COM with your download link.
    1. You will need Java installed on your computer Do you have java?
    2. right click and open with Java
    3. Put your device in "Download Mode" and click the flash button
    4. Problems? Enter "Recovery Mode" and select "factory reset"
    Download MY ROM!

    Code:
    [ list=1]
    [ *]You will need Java installed on your computer [url=http://www.java.com/en/download/installed.jsp?detect=jre&try=1]Do you have java?[/url]
    [ *]right click and open with Java
    [ *]Put your device in "Download Mode" and click the flash button
    [ *]Problems?  Enter "Recovery Mode" and select "factory reset"
    [/list]
    [ size=4][ url=MYROM.COM]Click here to Download My ROM![/url][/size]



    Downloads and Source
    Heimdall One-Click Packager: http://code.google.com/p/heimdall-one-click/downloads/list
    Heimdall Frontend: http://www.glassechidna.com.au/products/heimdall/

    Heimdall One-Click Source Code:http://heimdall-one-click.googlecode.com/svn/trunk/
    Heimdall one-Click Change Log:Change Log: http://code.google.com/p/heimdall-one-click/source/list
    Heimdall Source Code: https://github.com/Benjamin-Dobell/Heimdall



    Conclusion and Disclaimer
    The source and applications are released under the MIT License. I have provided these resources at no cost to you without warranty. I will not be held liable. It is up to you to use these programs responsibly.

    History
    Heimdall One-Click saw its first appearance as "One-Click UnBrick http://forum.xda-developers.com/showthread.php?t=1153310". Since then, it has been tested and distributed as part of UnBrickable Mod, restoration back to stock, and upgrading firmware in the following threads:
    http://forum.xda-developers.com/showthread.php?t=1191924 http://forum.xda-developers.com/showthread.php?t=1331381 http://forum.xda-developers.com/showthread.php?t=1330491 http://forum.xda-developers.com/showthread.php?t=1341666 http://forum.xda-developers.com/showthread.php?t=1312391 http://forum.xda-developers.com/showthread.php?t=1333423 http://forum.xda-developers.com/showthread.php?t=1333424 http://forum.xda-developers.com/showthread.php?t=1238093 http://forum.xda-developers.com/showthread.php?t=1266172
    http://forum.xda-developers.com/showthread.php?t=1323527 http://forum.xda-developers.com/showthread.php?t=1288130 http://forum.xda-developers.com/showthread.php?t=1216790 http://forum.xda-developers.com/showthread.php?t=1221491

    Forward
    We are looking to expand Heimdall to work on more devices. We need devices to work with. Please see http://www.glassechidna.com.au/open for more information
    6
    RFS is full of bugs, you cannot read/write RFS filesystems on any computer.
    RFS is prone to corruption (in many more ways you can expect)
    RFS doesn't have a "packer" that zeroes empty portions in order to get filesystem images with good compressibility (IE: free space will be by default full of junk)

    Also, compared to the well established update.zip format: this method doesn't provide a clean method to execute post-flashing scripts.

    Why I advice not using the method described here to distribute custom ROMs as RFS.

    However, distributing official firmwares in this format could be nice, but I'm not sure it's worth the hassle of re-packaging.

    Note: for Ext4 based ROMs and devices like Galaxy S II or Galaxy Tab 10.1, this tool can make sense (ext4 fs packing tools are available in AOSP)
    2
    Ok, I watched the video (great tutorial,btw), but I still don't know what to do about my problem. In a stock captivate package, there is a dbdata and cache file in the pda package, and another dbdata and cache file in the csc package. Which one gets used and which one gets tossed?

    Just use one or the other.
    2
    Adam,

    Big Thanks for this useful tool. Quick question or two. I made a Stock i897uckk4 with Bootloaders, Repartition, Full Wipe one click. I understand the safety precaution of not allowing the Bootloaders to be flashed on the initial flash. But on the second flash when it is allowed and the Flash Bootloaders box is selected, and then the flash initiated, all of the "true" files are flashed again and then lastly the Bootloaders. Is there a way to allow the Bootloaders to be flashed on the 1st flash at the end as it does in the Heimdall-Frontend ?? Or at least a way to just only flash the Bootloaders on that 2nd flash and not the rest of the included files also ??
    Thanks in advance.
    I don't think either option is very safe. With the way it is now, the device can be recovered if the cable is pulled while flashing except for the very last little bit. Enforcing the full flash with bootloaders is just good practice. Allowing flashing of bootloaders on the first run would be a bad procedure. Yes it gets annoying.. I flash bootloaders frequently while testing.. But it's there to stop Joe User from clicking the wrong thing in a flashing frenzy.

    I want to ensure all safeties are in-place. Heimdall is responsible for less bricks than Odin per-flash and we like it that way. Heimdall One-Click is safer than just using Heimdall. It's all about safety and awareness.
    1
    I recently published another official release of Heimdall Suite. So Heimdall (and consequently Heimdall Frontend) should theoretically support SGS2 perfectly. If it doesn't please let me know by reporting any issues on Github.

    NOTE: Heimdall One-Click is not the same as Heimdall and Heimdall Frontend (i.e. Heimdall Suite) so it's quite possible the SGS2 is not fully supported in Heimdall One-Click (if it's not utilising Heimdall 1.3.2) just yet.

    Thanks Benjamin! I will work on getting my downstream package updated. Note.. Heimdall One-click is still on 1.3.1.
    I am focusing on CASUAL for the next two days to get it into public beta. Once I release the first CASUAL beta, I will work on Heimdall one-click. I must convert a framework and a few other code maintenance tasks before updating to 1.3.2. I'd say the earliest possible would be on Saturday.