DJ Koh, Samsung president of mobile Communications, greets guests during the Samsung Unpacked where they introduced the Galaxy S8 and S8 + smartphones in New York City, U.S., March 29, 2017. REUTERS/Brendan McDermid - RTX339XI

DJ Koh, Samsung president of mobile communications, shows the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX338YC

A Dex Station for the Samsung Galaxy S8 and an S8+ smartphones is displayed during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339XC

Justin Denison, Samsung senior vice president of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3397V

A woman takes a picture of the Samsung Galaxy S8+ smartphone with a Galaxy S7 during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid TPX IMAGES OF THE DAY - RTX33AJ3

Justin Denison, Samsung senior vice president of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3395L

A Samsung Gear 360 camera is pictured during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX339C5

A guest photograph a Dex Station for the Samsung Galaxy S8 and an S8+ smartphones displayed during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339WE

DJ Koh, Samsung president of mobile communications, shows the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3390C

Justin Denison, Samsung senior vice president of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3397S

Samsung Galaxy S8 and S8+ smartphones are displayed during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX339UG

A guest uses the Samsung Gear VR for the Samsung Galaxy S8 during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339WH

Justin Denison, Samsung senior vice president of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3395J

A Samsung Galaxy S8+ smartphone is pictured at the introduction of the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX33983

A guest uses the Samsung Gear VR for the Samsung Galaxy S8 during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339XE

Justin Denison, Samsung senior vice president of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3397U

Two Samsung Galaxy S8 smartphones are displayed during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339U2

DJ Koh, Samsung president of mobile communications, talks about the partnership with Google during the Samsung Unpacked event, where they introduced the Galaxy S8 and S8+ smartphones in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX339WD

A woman takes a selfie with a Samsung Galaxy S8 smartphone during the Samsung Unpacked event in New York City, U.S. March 29, 2017. REUTERS/Brendan McDermid - RTX339XJ

Suzanne De Silva, Samsung director of Product Strategy, introduces the Galaxy S8 and S8+ smartphones during the Samsung Unpacked event in New York City, United States March 29, 2017. REUTERS/Brendan McDermid - RTX3399X