High Quality Content by WIKIPEDIA articles! The HTC HD2 (also known as the HTC T8585, HTC T9193 and HTC Leo), is a smartphone belonging to the HTC Touch family, manufactured by HTC and running the Windows Mobile 6.5 operating system. The phone was designed and manufactured by HTC, and was released in Europe in November 2009, and in December 2009 in Hong Kong. In some other regions, including North America, it was released in March 2010. The phone is the successor of the HTC Touch HD, and is succeeded by the HTC HD7.