* To check your Blackberry OS Version:
1. From the Home screen, scroll to the "Options" icon and press the
trackwheel or rollerball. You will see the Device Options screen.
2. Select "About" by pressing the trackwheel. The BlackBerry model number
will appear at the top of the "About" screen, directly under that, you
will see your application version.
Alternatively from the home screen, press and hold these 3 keys in
succession: Alt-Shift-h to display the help screen that will also show the
OS version.