The Samsung Galaxy S4 (AKA Galaxy S IV) is the fourth smartphone in Samsung's Galaxy S series. The phone was announced at an event on March 14, 2013, and will be released on April 27. The Galaxy S4 is expected to be another flagship phone just like the previous Galaxy S phones. Samsung's main focus for the S4 was on the software rather than the hardware. The phone does contain hardware meant to compete with other high end phones, but the software is what is intended to help it win the competition.