Difference between Android 1.1 and Android 2.3

1. Android 1.1 :
Android 1.1 is the second version of Android which was introduced by Google after Android 1.0. It had all the features that were included in the previous version i.e. Android 1.0 and also some more features were added in this version. Some features were added in caller applications like hiding and showing of the numeric keyboard. The feature for saving MMS attachments was also added in this version. It also does not have the official version name like Android 1.0 but unofficially it is called Banana Bread. The API level in Android 1.1 is 2. It was released on 9 February 2009.

2. Android 2.3 :
Android 2.3 is next version of Android after Android 2.2 which was introduced by Google. It had all the features of its previous versions and some new major features were also added in this version. Some key user features and developer features were introduced in this version. Major features like social networking and video call feature were added in this version. Besides this copy/paste, power management and keyboard was improved. Its version name is Gingerbread. The API level in Android 2.3 is 9. It was released on 06 December 2010.

Difference between Android 1.1 and Android 2.3 :

S.No.	ANDROID 1.1	ANDROID 2.3
1.	It is the second version of Android.	It is the next version of Android introduced after Android 2.2 version.
2.	It is successor to Android 1.0 version.	It is successor to Android 2.2 version.
3.	It is predecessor to Android 1.5.	It is predecessor to Android 2.3.3.
4.	It was released on 9 February 2009.	It was released on 06 December 2010.
5.	The API level in Android 1.1 version is 2.	The API level in Android 2.3 version is 9.
6.	It does not have official version name like its successors.	It has official version name like its previous version.
7.	It has unofficial version name ‘Banana Bread’.	It has official version name ‘Gingerbread’.
8.	It had all the features of previous version and two more features were added in this version.	It had all the features of previous versions and some new major user and developer features were added in this version.
9.	It did not have video calling service.	Video calling was introduced in this version.
10.	It did not provide social networking features.	Social networking features were added in this version.
11.	It did not have developer features.	Some key developer features like NDK, audio affects api and multiple camera sensor support were added in this version.