MOTOROLA CELL PHONE W370 MANUAL
HTC Evo 4G - Wikipedia
History. During development, the device was known as the HTC "Supersonic", which was leaked through the Internet and was known as a variant of the HTC HD2 running Android. The EVO was released on June 4, 2010 in the United States through Sprint. The device became the top-selling launch day phone on Sprint, surpassing the Palm Pre, Samsung Instinct and Motorola Razr V3.