Topic summary
Series 60
Extracted from the Wikipedia article S60 (software platform).
S60 editions
There have been four major releases of S60: Series 60 (2001), Series 60 Second Edition (2002), S60 3rd Edition (2005) and S60 5th Edition (2008). Each release had an updated version called Feature Pack, sometimes known as relay. Each runs on top of a different Symbian OS version.