1. 安卓 1.0：
Android 1.0 是 Google 推出的第一个 Android 版本。它有一些基本功能，包括网络浏览器支持、相机支持、Gmail 计数、谷歌地图和 Youtube 应用程序。虽然它没有像进一步介绍版本那样的正式版本名称，但非正式地称为Apple Pie 。 Android 1.0 版本的 API 级别为 1。在移动设备中不再使用它。它于2008年9月23日发布。
2. 安卓 3.2.1：
Android 3.2.1 是继 Google 推出的 Android 3.2 之后的下一个 Android 版本。它具有以前版本的所有功能，并且在此版本中还添加了一些新功能。新用户具有更简单的自动更新功能，此版本中添加了 Google 图书更新。此版本还对 WiFi 进行了改进。此版本中未添加新的开发人员功能。它的版本名称是Honeycomb 。 Android 3.2.1 中的 API 级别为 13。它于 2011 年 9 月 20 日发布。
Android 1.0 和 Android 3.2.1 的区别：
| S.No. | ANDROID 1.0 | ANDROID 3.2.1 |
|---|---|---|
| 1. | It is the first version of Android. | It is the next version of Android after Android 3.2. |
| 2. | It is predecessor to Android 1.1. | It is predecessor to Android 3.2.2 and successor to Android 3.2. |
| 3. | It was released on 23 September 2008. | It was released on 20 September 2011. |
| 4. | The API level in Android 1.0 version is 1. | The API level in Android 3.2.1 version is 13. |
| 5. | It did not have WiFi services. | WiFi services were improved in this version. |
| 6. | It does not have official version name. | It has official version name like its other previous versions. |
| 7. | It has unofficial version name ‘Apple Pie’. | It has official version name ‘Honeycomb’. |
| 8. | It did not have Google books. | Updated Google books were added in this version. |
| 9. | It had limited basic features like google maps, gmail, web browser, camera and youtube. | It had all features of previous versions and some new features were also added in this version. |
| 10. | It did not have automatic updates. | Easier automatic updates were added in this version. |