Difference between Android 1.1 and Android 1.6

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 1.6 :
Android 1.6 is next version of Android after Android 1.5 which was introduced by Google. It had all the features that were included in the previous versions i.e. Android 1.0, Android 1.1 and Android 1.5 and some extra features were added in this version too. Features like gesture framework and turn-by-turn navigation was added in this version. This version had a version name. It is called Donut. The API level in Android 1.6 is 4. It was released on 15 September 2009.

Difference between Android 1.1 and Android 1.6 :

S.No.	ANDROID 1.1	ANDROID 1.6
1.	It is the second version of Android.	It is the next version of Android introduced after Android 1.5 version.
2.	It is successor to Android 1.0 version.	It is successor to Android 1.5 version.
3.	It is predecessor to Android 1.5.	It is predecessor to Android 2.0.
4.	It was released on 9 February 2009.	It was released on 15 September 2009.
5.	The API level in Android 1.1 version is 2.	The API level in Android 1.6 version is 4.
6.	It does not have official version name like its successors.	It has official version name. It was the first version to have official version name.
7.	It has unofficial version name ‘Banana Bread’.	It has official version name ‘Donut’.
8.	It had all the features of previous version and two more features were added in this version.	It has all the features of previous versions and several more features were added in this version.
9.	Ability to show and hide numeric key-board was introduced in this version.	Gesture framework was introduced in this version.
10.	Feature for saving MMS attachments was added in this version.	Feature like turn-by-turn navigation was added in this version.