03-12-2009, 11:09 PM
Crimson Tide Moderator
Join Date: Oct 2004
Location: North of the moss line
PIN: t low
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OS = Operating System, the operating software for your BB.
There are varying opinions about the OS upgrades. Most will say .237 is very solid.
It appears .247 may be just as good.
AND, welcome to the BBforums.