<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The iPhone 5S (marketed with a stylized lowercase' s' as iPhone 5s) is a smartphone that was designed and marketed by Apple Inc . Part of the iPhone series, the device was unveiled on September 10, 2013, at Apple's Cupertino headquarters . It was released on September 20, 2013, along with its lower - cost counterpart, the iPhone 5c . </P> <P> The iPhone 5S maintains almost the same external design as its predecessor, the iPhone 5, although the 5S received a new white / gold color scheme in addition to white / silver and space gray / black, however the 5S has vastly upgraded internal hardware . A redesigned home button with Touch ID, a fingerprint recognition system which can be used to unlock the phone and authenticate App Store and iTunes Store purchases, was introduced . The camera was updated with a larger aperture and a dual - LED flash optimized for different color temperatures . The 5S also introduced the A7 64 - bit dual - core processor, the first 64 - bit processor to be used on a smartphone, accompanied by the M7 "motion co-processor". </P>

When did the apple iphone 5s come out