Struggling BlackBerry maker Research In Motion (NYSE:BB) recently received a rare analyst upgrade from Jefferies analyst Peter Misek. Carriers are starting to show more interest in BlackBerry 10, but they have a vested interest in reducing the influence of Apple (NASDAQ:AAPL) iOS and Google (NASDAQ:GOOGL) Android. Meanwhile, Microsoft (NASDAQ:MSFT) continues to eye RIM's No. 3 spot in the smartphone market. The best-case scenario that Misek sees is that BlackBerry 10 matches iOS and Android competitively in features, but he believes the platform's success could skyrocket shares to $43 over the next 12 months -- a 300% upside from current prices.

See more in the following video with Fool contributor Evan Niu.

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