I believe that anything above 4.5.0.77 will handle a 16 gig. There was a chart listed in a thread a few weeks ago you can probably search it for more detailed info.
Posted from my CrackBerry at wapforums.crackberry.com
BlackBerry Device Software Media Card Size Limit
BlackBerry Device Software 4.2.0 Up to 2 GB
BlackBerry Device Software 4.2.1 Up to 4 GB
BlackBerry Device Software 4.2.2 Up to 4 GB
BlackBerry Device Software 4.2.2.196 Up to 8 GB per Verizon Release Notes and confirmed by users.
BlackBerry Device Software 4.3.0 Up to 8 GB
BlackBerry Device Software 4.5.0 Up to 8 GB
BlackBerry Device Software 4.5.0.81 and later Up to 16 GB
BlackBerry Device Software 4.6.0 and later Up to 32 GB
Copied from here http://forums.crackberry.com/f3/tip-...ckberry-91909/