It seems like the BlackBerry Bold Touch 9900/9930 is still months away, but apparently that doesn't stop it from having leaked OS updates prior to it's official release. This OS 6.1.0.50 leak also come in the flavor of BlackBerry 9810 (Jennings) & BlackBerry 9860 (Monza).
I think someone forgot to advise the guy who names the OS builds that OS 6.1 is now OS 7.