The Nokia Series60 reference article from the English Wikipedia on 24-Apr-2004
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Nokia Series60

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Nokia Series 60 is a platform for mobile phones which uses the Symbian OS.

Series 60 is currently amongst the leading smartphone platform in the world. It is licensed by some of the foremost mobile phone manufacturers in the world including Siemens, Samsung, Panasonic, Sendo and Nokia.

The Series 60 Platform is a multivendor standard for smartphones that supports application development in Java™ MIDP, C++, and browsing environments.

These are a few common features in Series 60:

Currently (as of 2003) there are three Series 60 versions in the market which contains following devices:

Series 60 - Version 0.9

Series 60 - Version 1.0 Series 60 - Version 2.0
Version 2.0 utilizes new features like J2ME/MIDP 2.0 support and 16bit colors.