Android 1.5, 1.6 and 2.0

Perhaps better known by its codename, Cupcake, the OS marked much more of a milestone.

Although it was an update, it added several important and anticipated features that were critical to keeping the platform competitive among its counterparts. Following that 1.6 Donut and 2.0 Eclair were introduced which provided the universal search box, a camera with video recording and an on-screen keyboard. Éclair was initially offered exclusively on Verizon and on none other than the Motorola Droid—the phone that kicked off one of the most successful mobile franchises in history.

Android 2.2 and 2.3

Android 2.2 was released in mid-2010, and that was when the Nexus program was starting to become clear to the customers, but it was the Nexus One which was the first to get updated. So what did Google have to showcase in Froyo? Well it added 2G/3G connection, and a digital zoom for the camera, offered exchange server support for official mail accounts and an improved phonebook for easier contacts search. About a half year after the launch of Froyo, then came the next round of program to support the release of Android 2.3. Gingerbread update addressed battery power-saving features to improve backup times along with near-field communication, which is now used for all kinds of payments as well as for connecting to accessories like wireless speakers.

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