Question: when did the samsung galaxy s4 come out
Answer: 8 ( UE Cat 3 ) -- 700 , 800 , 1700 , 1800 , 1900 , 2600 MHz or up to 6 different band sets ( dependent on market ) FDD TDD ( dual mode version ) LTE - A ( Cat 4 ) Only available on I9506 and SHV - E330 First released April 27 , 2013 ; 4 years ago ( 2013 - 04 - 27 ) Units sold 40 million sold in the first 6 months Predecessor Samsung Galaxy S III Successor Samsung Galaxy S5 Related Samsung Galaxy S4 Active Samsung Galaxy S4 Mini Samsung Galaxy S4 Zoom Samsung Galaxy Note 3 Type Touchscreen smartphone Form factor Slate Dimensions 136.