Apple one of the biggest companies in the world has made a wonderfull smart watch it has only a limited watch faces but they are much more awesome then android watch faces.you can easily change your watch belts available in the market or from online were it has a varity of watch belts guards and screen guards.but after the update it is difficult to manage all the settings.so please do not update keep the old version it wont update your watch faces you can download it in apple store.
