Today at the 2012 Consumer Electronics Show, HTC unveiled the HTC Titan II.  This will be HTC’s first Windows Phone 7.5 (Mango) device to run on AT&T’s 4G LTE.  This new phone is also anticipated to be exclusive to AT&T in the U.S. The HTC Titan II is driven by a powerful Qualcomm’s 1.5 GHz Snapdragon™ S2…