Before you watch the video below, do this little exercise. If you have an iPhone around running the latest iOS 10, open the Music app and try to find the Shuffle or Repeat option. If you manage to find it, congratulations. If not, you will find the solution in the video below. Turns out it's not just you who couldn't find it at first. A lot of people seem to be stumped with this rather simple act of trying to find the Shuffle button. Why it's placed out of direct view is anyone's guess. It doesn't even show up in the new Control Center card, which is now big enough to fit more...
Source: http://www.gsmarena.com/no_one_knows_where_shuffle_is_in_ios_10_music_player-news-20572.php