History of Android OS

History of Android OS

The operating system Android starts in pre-release  Operating system Android Beta in 2007 and then the commercial release Android 1.0 in 2008.after this it has number of version that leads to Android kitkat 4.4.
Followings are the versions of Android OS.

1) Android 1.5 Cupcake
      (30 April 2009)

2) Android 1.6 Donut
      (15 September 2009)

3) Android 2.0-2.1 Eclair
       (26 October 2009)

4) Android 2.2- 2.3 Froyo
      (20 May 2010)

5) Android 2.3-2.3.7 Gingerbread
      (6 December 2010)

6) Android 3.0-3.2 Honeycomb
      (22 February 2011)

7) Android 4.0 Ice Cream Sandwich
      (19 October 2011)

8) Android 4.1-4.3 Jelly Beans
      (9 July 2012)

9) Android 4.4 Kitkat
      (31 October 2013)