Sprint recently released the BlackBerry OS 18.104.22.1680 update for the BlackBerry Tour 9630. It is now available for download, just follow the link below.OS 22.214.171.1240 update for the BlackBerry Tour 9630 from Sprint
These are some of the features of the future BlackBerry Enterprise 5.0 OS that have been leaked today. We don't know when the new OS will be available, most likely in April 2009, but we're positive that RIM will release at least two more updates for the current 4.7 build before then. 5.0 OS features:
Flag messages and set reminder times on your BlackBerry.
View personal contact subfolders and edit contacts! Until now BES used to put all of your contacts into the Contacts application even if they were in different folders.