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Posts: 2,102 | Thanked: 1,937 times | Joined on Sep 2008 @ Berlin, Germany
#2
Go to the settings application, scrol down to product info and tap it. If you have a Version string of 20.2010.26-2 you are on the latest from Nokia. They stopped providing fixes and upgrades, so some developers from the community step in and raised the N900 to a new level with the CSSU (version string 21.2011.38-1 or similiar)