Nokia, Microsoft talk of RIM bid had Windows on BlackBerrys

Nokia and Microsoft’s talk of possibly buying RIM would amount to a wholesale OS replacement, new leaks uncovered late Friday. The Wall Street Journal tip not only left the door open to a “coordinated” bid for RIM but understood they would drop the BlackBerry OS entirely in favor of Windows Phone. Microsoft would take over the server side, the informants said, implying that it would go to a direct Exchange server instead of a BlackBerry Enterprise Server….