Samsung Galaxy S4 Unpacked

Stage performers hold up Samsung Electronics Co's latest Galaxy S4 phones during its launch at the Radio City Music Hall in New York. Reuters photo

Stage performers hold up Samsung Electronics Co's latest Galaxy S4 phones during its launch at the Radio City Music Hall in New York. Reuters photo

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1/13 Stage performers hold up Samsung Electronics Co's latest Galaxy S4 phones during its launch at the Radio City Music Hall in New York. Reuters photo

Workers prepare to display Samsung Electronics Co's latest Galaxy S4 phone after its launch at the Radio City Music Hall in New York. Reuters photo

2/13 Workers prepare to display Samsung Electronics Co's latest Galaxy S4 phone after its launch at the Radio City Music Hall in New York. Reuters photo

Stage performers take part in Samsung Electronics Co's Galaxy S4 phone launch at the Radio City Music Hall in New York. Reuters photo

3/13 Stage performers take part in Samsung Electronics Co's Galaxy S4 phone launch at the Radio City Music Hall in New York. Reuters photo

JK Shin, president and head of IT and mobile communication division, holds up Samsung Electronics Co's latest Galaxy S4 phones during its launch at the Radio City Music Hall in New York. Reuters photo

4/13 JK Shin, president and head of IT and mobile communication division, holds up Samsung Electronics Co's latest Galaxy S4 phones during its launch at the Radio City Music Hall in New York. Reuters photo

An event goer uses Samsung Electronics Co's latest Galaxy S4 phone after its launch at the Radio City Music Hall in New York. Reuters photo

5/13 An event goer uses Samsung Electronics Co's latest Galaxy S4 phone after its launch at the Radio City Music Hall in New York. Reuters photo

Event goers watch the launch of Samsung Electronics Co's latest Galaxy S4 phone at the Radio City Music Hall in New York. Reuters photo

6/13 Event goers watch the launch of Samsung Electronics Co's latest Galaxy S4 phone at the Radio City Music Hall in New York. Reuters photo

People interact with the Samsung Galaxy S4 after its launch at the Radio City Music Hall in New York. AFP photo

7/13 People interact with the Samsung Galaxy S4 after its launch at the Radio City Music Hall in New York. AFP photo

Samsung introduces the Samsung Galaxy S4 after its launch at the Radio City Music Hall in New York. AFP photo

8/13 Samsung introduces the Samsung Galaxy S4 after its launch at the Radio City Music Hall in New York. AFP photo

People check out the new slim, feature-rich Samsung Galaxy S4 during its unveiling at Radio City Music Hall in New York. AFP photo

9/13 People check out the new slim, feature-rich Samsung Galaxy S4 during its unveiling at Radio City Music Hall in New York. AFP photo

Samsung's new slim, feature-rich Galaxy S4 is seen during its unveiling at Radio City Music Hall in New York. AFP photo

10/13 Samsung's new slim, feature-rich Galaxy S4 is seen during its unveiling at Radio City Music Hall in New York. AFP photo

People check out the new slim, feature-rich Samsung Galaxy S4 during its unveiling at Radio City Music Hall in New York. AFP photo

11/13 People check out the new slim, feature-rich Samsung Galaxy S4 during its unveiling at Radio City Music Hall in New York. AFP photo

Samsung's Galaxy S4 is unveiled at Radio City Music Hall in New York. The slim, feature-rich Galaxy S4 was introduced as Samsung's new champion in the fiercely competitive smartphone arena. AFP photo

12/13 Samsung's Galaxy S4 is unveiled at Radio City Music Hall in New York. The slim, feature-rich Galaxy S4 was introduced as Samsung's new champion in the fiercely competitive smartphone arena. AFP photo

JK Shin, president and head of IT and mobile communication division, introduces Samsung Electronics Co's latest Galaxy S4 phone during its launch at the Radio City Music Hall in New York. Reuters photo

13/13 JK Shin, president and head of IT and mobile communication division, introduces Samsung Electronics Co's latest Galaxy S4 phone during its launch at the Radio City Music Hall in New York. Reuters photo