
Samsung Unveils Galaxy S4 Smartphone in Challenge to Apple Lead
Michael Nagle/Bloomberg
A Samsung Electronics Co. Galaxy S4 smartphone is held for a photograph during the Galaxy S4's release in Times Square in New York on March 14, 2013.
A Samsung Electronics Co. Galaxy S4 smartphone is held for a photograph during the Galaxy S4's release in Times Square in New York on March 14, 2013.