The HTC Radiant has gone official, except it's now called the Titan II, and it does in fact come packing Mango and LTE. Around back is a 16-megapixel camera capable of capturing 720p video and a 1.3-megapixel shooter up front for video chats. We can tell that it's packing the dual-flashes from the leak but, we're not sure about not much else -- including processor, pricing or availability. So, there it is folks -- LTE on a Windows phone, and it's appears to be quite a beast of a device.HTC Titan 2 coming to AT&T, finally delivers LTE to Mango love