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 3.0：
Android 3.0 是继 Google 推出的“Gingerbread”之后的下一个 Android 版本。此版本引入了新的用户功能，如多核支持、更好的平板电脑支持、更新的 3D UI、媒体传输协议、隐私浏览、HTTP 实时流媒体和 Google 电子书。新的开发人员功能，如上下文操作栏、首次引入的片段、硬件加速 2D 图形、renderscript 3D 图形引擎、可插拔 DRM 框架、设备管理、高性能动画框架、RTP 流 API、强制渲染层、高性能 WIFI 锁定、ADTS此版本中添加了 AAC 和 FLAC 音频和 LRU 缓存。它的版本名称是Honeycomb 。 Android 3.0 中的 API 级别为 11。它于 2011 年 2 月 22 日发布。
Android 1.0 和 Android 3.0 的区别：
| S.No. | ANDROID 1.0 | ANDROID 3.0 |
|---|---|---|
| 1. | It is the first version of Android. | It is the next version of Android after ‘Gingerbread’. |
| 2. | It is predecessor to Android 1.1. | It is predecessor to Android 3.1. |
| 3. | It was released on 23 September 2008. | It was released on 22 February 2011. |
| 4. | The API level in Android 1.0 version is 1. | The API level in Android 3.0 version is 11. |
| 5. | It did not have developer features. | Major developer features were added 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 good quality user interface. | Update 3D UI was introduced 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 user and developer features were added in this version. |
| 10. | It had simple web browsing. | Private browsing was added in this version. |