This photo taken Aug. 13, 2010, shows the Samsung Captivate, left, Samsung Epic 4G, center, and the Samsung Vibrant phones in San Francisco. (AP Photo/Jeff Chiu)

Photo by: Jeff Chiu

This photo taken Aug. 13, 2010, shows the Samsung Captivate, left, Samsung Epic 4G, center, and the Samsung Vibrant phones in San Francisco. (AP Photo/Jeff Chiu)