We've seen quite a few demos from RIM this week at Mobile World Congress and while some of the stuff we saw was just concept ideas, one thing they've been showing off is already available and that is the media server capability built into BlackBerry 7.1. We're not entirely too sure that what RIM's angle is here. They've never officially announced the media server capability in 7.1, in fact -- it's not even in the currently available carrier releases. We only caught wind of it thanks to a heavy set of OS leaks that showed up previously. Either way, RIM has been showing it off at Mobile World Congress and if you want that capability now, you'll have to install a leaked OS.

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