my device and desktop mananager will not sync contacts,calender etc why is that
Have you updated to the latest version? BlackBerry - Desktop Software - US
Also, you need tomake sure that a compatible PIM client is installed on your PC as well as configuring the DM properly. You can find the user guide here.
Click to listen to the QuickBerry Podcast
Rules and Guidelines | Upgrade Your OS | Resource Center
Yes it is the new version