Here are master locations to find git repos:

<pre>
<sub>
| Name         |  http website                                       | git prefix
|--------------|-----------------------------------------------------|----------------
| google       | https://android.googlesource.com/                   | https://android.googlesource.com
| ste          | http://www.igloocommunity.org/gitweb/               | git://igloocommunity.org/git
| nvidia       | http://nv-tegra.nvidia.com/gitweb/                  | git://nv-tegra.nvidia.com
| ti           | http://git.omapzoom.org/                            | git://git.omapzoom.org
| Qualcomm quic| https://www.codeaurora.org/gitweb/quic/qrd-android/ | git://codeaurora.org/quic/qrd-android
| Qualcomm qrd | https://www.codeaurora.org/gitweb/quic/la/          | git://codeaurora.org
</sub>
</pre>

For build instructions:

   * [Qualcomm](https://www.codeaurora.org/xwiki/bin/QAEP/)
      * [LYA Releases](https://downloads.cdmatech.com/qdc/)
      * [Quick search](https://support.cdmatech.com/search/faces/search.jspx?sessionControlDisabled=true)
   * [Google](http://source.android.com/source/building.html)
   * [STE/IceCreamSandwich](http://www.igloocommunity.org/support/Android_Getting_started_with_ICS)
   * [STE/Gingerbread](http://www.igloocommunity.org/support/Android_Getting_started_with_GB)
   * [TI Omappedia](http://www.omappedia.com/wiki/Building_Android_Filesystem)
   * [TI Rowboat](http://code.google.com/p/rowboat/)
   * [Xilinx ZC702](http://wiki.xilinx.com/android-on-zynq-getting-started-guide)
      * [BuildingBSP](http://wiki.xilinx.com/android-on-zynq-building-bsp)
   * [Panda](http://www.omappedia.org/wiki/Android_Panda_Build_Source)


For Vendor s/w releases:

   * [Samsung (select Mobile->MobilePhone)](http://opensource.samsung.com)
   * [HTC](http://htcdev.com/devcenter/downloads)
   * [LG](http://www.lg.com/global/support/opensource/opensource.jsp)
   * [Sony](http://developer.sonymobile.com/downloads/all-android/)
   * [ASUS](http://support.asus.com/download/options.aspx?SLanguage=en)

For Samsung firmware releases, use the [Samsung Kies](http://www.samsung.com/us/kies/) application to download the software.  Older, outdated information may also be at:

   * http://samsungflash.webs.com/
   * http://samsung-updates.com/
   * http://forums.mobiledia.com/showthread.php?t=29450