HTC Corporation formerly High Tech Computer Corporation is a Taiwanese manufacturer of smartphones. The company was originally based on the Windows Mobile operating system Microsoft devices. In 2009 he began to equip their handsets with Android and as of 2010 also with Windows Phone. HTC is also a member of the Open Handset Alliance, a trade alliance to develop open standards for devices móviles.6 The HTC Dream, sold by T-Mobile in many countries such as T-Mobile G1 or G1 Era in Poland was the first mobile phone the market with the Android operating system. In his time OEM HTC products sold under different brand names, which include some of the largest telecom operators such as Orange, T-Mobile, Cingular, O2, Movistar and Vodafone, although many were known by name in internal key. HTC is the ODM for the following IT companies that sell and distribute Windows Mobile-based PDAs: Dell, Fujitsu-Siemens, HP / Compaq, i-mate, Krome, Sharp Corporation, Dopod (HTC subsidiary company) and Qtek (subsidiary HTC). It is noteworthy that HTC appoints its products before selling rebranded.