IPHONE 5S IS LAUNCH IN 2013 AND APPLE WILL INTRODUCED NEW TOUCH ID FEATURE IN IPHONE 5S AND APPLE WILL INTRODUCED NEW GOLD COLOUR IN IPHONE 5S . AND I THINK IPHONE DESIGN IS THE BESTEST DESIGN EVER MADY BY APPLR AND IPHONE 5S DESIGN IS WAY BETTER THAN THE DESIGN OF IPHONE 6 AND IPHONE 7 AND PREVIOUS IPHONES . AND I THINK IPHONE 5S IS STILL USABLE IPHONE IN 2017 I KNOW IN IPHONE 5S APPLE WILL USE FIRST GENERATION TOUCH ID WHICH IS SLOWER THAN THE 2ND GENERATION TOUCH ID IN IPHONE 6S BUT THE DESIGN OF IPHONE 5S IS THE BESTEST DESING EVER MADE BY APPLE COMPANY . IOS 10 IS ALSO CPMPATABLE WITH IPHONE 5S EVEN IPHONE 5S IS LAUNCH IN 2013 AND IT IS AN OLD IPHONE TODAY BUT THE DESIGN IS BETTER AND PEOPLE ARE STILL USING THIS IPHONE EV EN IN 2017 . I LOVE IPHONES . THANKS