The HTC Evo 4G (trademarked in capitals as EVO 4G) is a smartphone developed by the HTC Corporation that was previously known by its codename “Supersonic”. The smartphone launched June 4th, 2010.
The iPhone 4 is the fourth generation of iPhone, and successor to the iPhone 3GS. Introduced on June 7, 2010 at the WWDC 2010 at the Moscone Center, San Francisco, it was released on June 24 in six countries, prior to anticipated release worldwide.
