1. Android 1.1：
Android 1.1是Google继Android 1.0之后推出的第二个Android版本。它具有以前版本(即Android 1.0)中包含的所有功能，并且在此版本中还添加了一些其他功能。在呼叫者应用程序中添加了一些功能，例如隐藏和显示数字键盘。此版本中还添加了用于保存MMS附件的功能。它也没有像Android 1.0这样的正式版本名称，但非正式地称为Banana Bread 。 Android 1.1中的API级别为2。它于2009年2月9日发布。
2. Android 4.1：
Android 4.1是Google推出的Android 4.0.4之后的下一个Android版本。此版本引入了关键用户功能，例如Google Now，语音搜索，速度增强，相机应用程序改进，可访问性，手势模式和启用盲文外部键盘。重要的开发人员功能，例如应用程序堆栈导航，MediaActionSound类，使声音听起来像照相机拍照时一样，NFC支持蓝牙上的大量有效负载，此版本中添加了WIFI / WIFI-Direct服务发现和多动作通知。它的版本名称是Jelly Bean 。 Android 4.1中的API级别为16。它于2012年7月9日发布。
Android 1.1和Android 4.1之间的区别：
| S.No. | ANDROID 1.1 | ANDROID 4.1 |
|---|---|---|
| 1. | It is the second version of Android. | It is the next version of Android after Android 4.0.4. |
| 2. | It is successor to Android 1.0 version. | It is successor to Android 4.0.4 version. |
| 3. | It is predecessor to Android 1.5 version. | It is predecessor to Android 4.1.1 version. |
| 4. | It was released on 09 February 2009. | It was released on 09 July 2012. |
| 5. | The API level in Android 1.1 version is 2. | The API level in Android 4.1 version is 16. |
| 6. | It has 0 % android market share. | It has 1.2 % android market share. |
| 7. | It does not have official version name like its successors. | It has official version name like its other previous versions. |
| 8. | It has unofficial version name ‘Banana Bread’. | It has official version name ‘Jelly Bean’. |
| 9. | It had all the features of previous version and two more features were added in this version. | It had all features of previous versions and some new key features were added in this version. |
| 10. | It did not have voice search feature. | Voice search feature was added in this version. |
| 11. | It had simple camera support. | Updated camera application improvements were done in this version. |
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