anyone use a 4gb? has there been any problems if so. i got a line on them cheap as well as the 2's .. real cheap from a local supplier and would rather use the 4 of course over the 2

You can use the 4Gb as long as your device has OS 4.2.1 or higher.

Wirelessly posted (Verizon 8830)

See link

http://www.blackberryforums.com/wiki...my_devi ce%3F