Android version History

Android version History

1) 8.0 Oreo 
2) 7.1 Nought 
3) 6.1 Marshma
4) 5.1 Lollipop 
5) 4.1 Kit kat
6) Jelly Bean 
7) ice cream sandwich 
8) Gingerbread 

The version history of the Androidmobile operating system began with the public release of the Android betain November 5, 2007. The first commercial version, Android 1.0, was released in September 2008. Android is continually developed by Google and the Open Handset Alliance, and it has seen a number of updates to its base operating system since the initial release.

      Versions 1.0 and 1.1 were not released under specific code names. Android code names are confectionery-themed and have been in alphabetical order since 2009's Android 1.5 Cupcake, with the most recent major version being Android 8.0 Oreo, released in August 2017.

     More information: Code name, Version number …

Code name	Version number	Initial release date	API level	Security patches
(No codename)	1.0	September 23, 2008	1	Unsupported
(Internally known as "Petit Four")	1.1	February 9, 2009	2	Unsupported
Cupcake	1.5	April 27, 2009	3	Unsupported
Donut	1.6	September 15, 2009	4	Unsupported
Eclair	2.0 – 2.1	October 26, 2009	5 – 7	Unsupported
Froyo	2.2 – 2.2.3	May 20, 2010	8	Unsupportied
Gingerbread	2.3 – 2.3.7	December 6, 2010	9 – 10	Unsupported
Honeycomb	3.0 – 3.2.6	February 22, 2011	11 – 13	Unsupported
Ice Cream Sandwich	4.0 – 4.0.4	October 18, 2011	14 – 15	Unsupported
Jelly Bean	4.1 – 4.3.1	July 9, 2012	16 – 18	Unsupported
KitKat	4.4 – 4.4.4	October 31, 2013	19 – 20	Supported;See clarification
Lollipop	5.0 – 5.1.1	November 12, 2014	21 – 22	Supported
Marshmallow	6.0 – 6.0.1	October 5, 2015	23	Supported
Nougat	7.0 – 7.1.2	August 22, 2016	24 – 25	Supported
Oreo	8.0	August 21, 2017	26	Supported