All Andriod OS Versions with names and release dates.
Beta (5 November 2007)
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1.0 (23 September 2008)
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1.1 (9 February 2009)
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1.5 Cupcake (30 April 2009)
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1.6 Donut (15 September 2009)
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2.x Eclair (26 October 2009)
2.0
2.0.1
2.1
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2.2 Froyo (20 May 2010)
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2.3.x Gingerbread (6 December 2010)
2.3
2.3.3
2.3.4
2.3.5
2.3.6
2.3.7
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3.x Honeycomb (22 February 2011)
3.0
3.1
3.2
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4.x Ice Cream Sandwich (October or November 2011)
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