page.title=Android Compatibility Downloads
@jd:body
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<p>Thank you for your interest in Android Compatibility! The links below give
you access to key documents and information about the program.</p>
<h2 id="android-44">Android 4.4</h2>
<p>Android 4.4 is the release of the development milestone code-named
KitKat. Source code for Android 4.4 is found in the
'android-4.4.4_r1' branch in the open-source tree.</p>
<ul>
<li><a href="4.4/android-4.4-cdd.pdf">Android 4.4 Compatibility Definition
Document (CDD)</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-4.4_r3-linux_x86-arm.zip">Android
4.4 R3 Compatibility Test Suite (CTS) - ARM</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-4.4_r3-linux_x86-x86.zip">Android
4.4 R3 Compatibility Test Suite (CTS) - x86</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.4_r3-linux_x86-arm.zip">Android
4.4 R3 CTS Verifier - ARM</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.4_r3-linux_x86-x86.zip">Android
4.4 R3 CTS Verifier - x86</a></li>
</ul>
<h2 id="android-43">Android 4.3</h2>
<p>Android 4.3 is the release of the development milestone code-named
Jelly Bean-MR2. Source code for Android 4.3 is found in the 'android-4.3_r2.2-cts' branch in the open-source tree.</p>
<ul>
<li><a href="4.3/android-4.3-cdd.pdf">Android 4.3 Compatibility Definition Document (CDD)</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-4.3_r2-linux_x86-arm.zip">Android
4.3 R2 Compatibility Test Suite (CTS)</a></li>
<li><a
href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.3_r1-linux_x86-arm.zip">Android
4.3 R1 CTS Verifier</a></li>
</ul>
<h2 id="android-42">Android 4.2</h2>
<p>Android 4.2 is the release of the development milestone code-named
Jelly Bean-MR1. Source code for Android 4.2 is found in the 'android-4.2.2_r1' branch in the open-source tree.</p>
<ul>
<li><a href="4.2/android-4.2-cdd.pdf">Android 4.2 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-4.2_r4-linux_x86-arm.zip">Android 4.2 R4 Compatibility Test Suite (CTS)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.2_r5-linux_x86-arm.zip">Android 4.2 R5 CTS Verifier</a></li>
</ul>
<h2 id="android-41">Android 4.1</h2>
<p>Android 4.1 is the release of the development milestone code-named Jelly
Bean. The source code of the Compatibility Test Suite revisions below is
available at the 'android-cts-4.1_r4' tag in the open-source tree.</p>
<ul>
<li><a href="4.1/android-4.1-cdd.pdf">Android 4.1 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-4.1_r4-linux_x86-arm.zip">Android 4.1 R4 Compatibility Test Suite (CTS)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.1_r7-linux_x86-arm.zip">Android 4.1 R7 CTS Verifier</a></li>
</ul>
<h2 id="android-403">Android 4.0.3</h2>
<p>Android 4.0.3 is the release of the development milestone code-named
Ice Cream Sandwich. Android 4.0.3 is the current version of Android. Source code for
Android 4.0.3 is found in the 'android-4.0.3_r1' branch in the open-source tree.</p>
<ul>
<li><a href="4.0/android-4.0-cdd.pdf">Android 4.0 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-4.0.3_r3-linux_x86-arm.zip">Android 4.0.3 R3 Compatibility Test Suite (CTS)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-verifier-4.0.3_r2-linux_x86-arm.zip">Android 4.0.3 R2 CTS Verifier</a></li>
</ul>
<h2 id="android-23">Android 2.3</h2>
<p>Android 2.3 is the release of the development milestone code-named
Gingerbread. Source code for Android 2.3 is found in the 'gingerbread' branch in
the open-source tree.</p>
<ul>
<li><a href="2.3/android-2.3.3-cdd.pdf">Android 2.3 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-2.3_r13-linux_x86-arm.zip">Android 2.3 R13 Compatibility Test Suite (CTS)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-verifier-2.3_r3-linux_x86-armv5.zip">Android 2.3 R3 CTS Verifier</a></li>
</ul>
<h2 id="android-22">Android 2.2</h2>
<p>Android 2.2 is the release of the development milestone code-named
FroYo. Source code for Android 2.2 is found in the 'froyo' branch in the
open-source tree.</p>
<ul>
<li><a href="2.2/android-2.2-cdd.pdf">Android 2.2 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-2.2_r8-linux_x86-arm.zip">Android 2.2 R8 Compatibility Test Suite (CTS)</a></li>
</ul>
<h2 id="android-21">Android 2.1</h2>
<p>Android 2.1 is the release of the development milestone code-named
Eclair. Source code for Android 2.1 is found in the 'eclair' branch in the
open-source tree. Note that for technical reasons, there is no compatibility
program for Android 2.0 or 2.0.1, and new devices must use Android 2.1.</p>
<ul>
<li><a href="2.1/android-2.1-cdd.pdf">Android 2.1 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-2.1_r5-x86.zip">Android 2.1 R5 Compatibility Test Suite (CTS)</a></li>
</ul>
<h2 id="android-16">Android 1.6</h2>
<p>Android 1.6 was the release of the development milestone code-named Donut.
Android 1.6 was obsoleted by Android 2.1. Source code for Android 1.6 is found
in the 'donut' branch in the open-source tree.</p>
<ul>
<li><a href="1.6/android-1.6-cdd.pdf">Android 1.6 Compatibility Definition Document (CDD)</a></li>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-1.6_r1-x86.zip">Android 1.6 R1 Compatibility Test Suite (CTS)</a></li>
</ul>
<h2 id="compatibility-test-suite-manual">Compatibility Test Suite Manual</h2>
<p>The CTS user manual is applicable to any CTS version, but CTS 2.1 R2 and
beyond require <a href="cts-intro.html">additional steps</a> to run the accessibility tests.</p>
<ul>
<li><a href="android-cts-manual.pdf">Compatibility Test Suite (CTS) User Manual</a></li>
</ul>
<h2 id="cts-media-files">CTS Media Files</h2>
<p>These media files are required for the CTS media stress tests.</p>
<ul>
<li><a href="https://dl.google.com/dl/android/cts/android-cts-media-1.0.zip">CTS Media 1.0</a></li>
</ul>
<h2 id="older-android-versions">Older Android Versions</h2>
<p>There is no Compatibility Program for older versions of Android, such as Android
1.5 (known in development as Cupcake). New devices intended to be Android
compatible must ship with Android 1.6 or later.</p>