Android mobile operating system history starts with the release of android alpha in Nov.2007. Android 1.0 version was release in Sept 2008. Google developed android is continually and the (OHA). OHA stand for open handset alliance. Android 6.0 Marshmallow is the most recent major android update.
This version was released in Oct, 2015. Android launch 1.5 Cupcake version after 1.0 and 1.1 version. After that android launch different version in market like Donut 1.6 version in Sep, 15 2009. Android introduce latest version Éclair 2.0 , Froyo 2.2 – 2.3 and Ice cream sandwich 4.4 and 4.0. Now latest version in market is Lollipop 5.0 and 5.1 and Marshmalllow 6.0 and 6.1 this android version launch in Oct, 5 2015.
Google and the OHA launch at least two internal software before the beta version was introduced in NOVE, 2007. Dan Morrill created some of the first mascot logs but the least green android logo was designed by Irina Blok.
Some screenshot of alpha version running on old SDK:
The beta was launch on November 5, 2007. The November 5 is popularly celebrated as android’s birthday. Beta millstone 3 launch code 20 and March 3 2008 code 0.9 launch.
Android 4.1 jelly bean developed by google on June 27 2012. With a focus on delight-full improvement to users interface. Jelly bean android version 4.1 to 4.3 code name jelly bean legacy code version of google mobile operation system.
Jelly Bean start with some new feature and tool for developers. Another maintenance launch for jelly bean and the 4.3 launch build on what was before there in 4.1 and 4.2. Jelly Bean android 4.3 will be hitting nexux4 and nexus 7 from today. Jelly bean app that streams in 1080p.
Bluetooth support in low energy.
Back-ground Wi-Fi location still runs.
Improve rework camera UL.
Incoming calls volume and notification alerts.
Jelly Bean android 4.2.2 is lower than android 4.3.Some other user facing change that perhaps would not apply to everyone without a nexus device .These version works better than stock android. Some feature of android 4.2.2 jelly bean.
Android jelly bean 4.2.2 improve lock screen with widget support.