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 帐户、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 1.5：
Android 1.5 是继 Google 推出的 Android 1.1 之后的第三个版本和下一个版本。它具有以前版本(即 Android 1.0 和 Android 1.1)中包含的所有功能，并且在此版本中还添加了一些额外功能。此版本中添加了蓝牙连接等功能，还添加了视频观看和录制功能。这是第一个有版本名称的版本。它被称为纸杯蛋糕。 Android 1.5 中的 API 级别为 3。它于 2009 年 4 月 30 日发布。
Android 1.0 和 Android 1.5 的区别：
| S.No. | ANDROID 1.0 | ANDROID 1.5 |
|---|---|---|
| 1. | It is the first version of Android. | It is the third version of Android. |
| 2. | It is predecessor to Android 1.1. | It is predecessor to Android 1.6 and successor to Android 1.1. |
| 3. | It was released on 23 September 2008. | It was released on 30 April 2009. |
| 4. | The API level in Android 1.0 version is 1. | The API level in Android 1.5 version is 3. |
| 5. | It is not used anymore in mobile devices. | It is also not used anymore. |
| 6. | It does not have official version name. | It has official version name. It was the very first version to have version name. |
| 7. | It has unofficial version name ‘Apple Pie’. | It has official version name ‘Cupcake’. |
| 8. | It had limited features like google maps, gmail, web browser, camera and youtube. | It had all the features of Android 1.0 and Android 1.1 and some more features were added. |
| 9. | It had numeric key-board but hard one. | Soft key-board with text prediction was introduced in it. |
| 10. | It did not provide video related features. | Feature for watching and recording video was included in this version. |
| 11. | It did not have Bluetooth connectivity. | Bluetooth connectivity feature was added in this version. |