<Table> 2013 worldwide device shipments by operating system <Tr> <Th> Operating system </Th> <Th> 2012 (millions of units) </Th> <Th> 2013 (million of units) </Th> </Tr> <Tr> <Th> Android </Th> <Td> 504 </Td> <Td> 878 </Td> </Tr> <Tr> <Th> Windows </Th> <Td> 346 </Td> <Td> 328 </Td> </Tr> <Tr> <Th> iOS / Mac OS </Th> <Td> 214 </Td> <Td> 267 </Td> </Tr> <Tr> <Th> BlackBerry </Th> <Td> 35 </Td> <Td> 24 </Td> </Tr> <Tr> <Th> Others </Th> <Td> 1,117 </Td> <Td> 803 </Td> </Tr> <Tr> <Th> Total </Th> <Td> 2,216 </Td> <Td> 2,300 </Td> </Tr> </Table> <Tr> <Th> Operating system </Th> <Th> 2012 (millions of units) </Th> <Th> 2013 (million of units) </Th> </Tr> <Tr> <Th> Android </Th> <Td> 504 </Td> <Td> 878 </Td> </Tr> <Tr> <Th> Windows </Th> <Td> 346 </Td> <Td> 328 </Td> </Tr>

Which should come first selection of the software hardware or operating system