<Tr> <Th> Product family </Th> <Td> Galaxy Tab, Galaxy S </Td> </Tr> <Tr> <Th> Type </Th> <Td> Tablet computer </Td> </Tr> <Tr> <Th> Release date </Th> <Td> 3 September 2015; 23 months ago (2015 - 09 - 03) </Td> </Tr> <Tr> <Th> Operating system </Th> <Td> Original: Android 5.0. 2 "Lollipop" Current: Android 7.0 "Nougat" </Td> </Tr>

When did the galaxy tab s2 come out