Don't count on update for older models, Samsung has a habit of forgetting the users after they paid for the phone. Because there is no money in it! They promised Jelly Bean update for my Samsung Galaxy Ace Plus, but wiggled out of it, anyway. https://www.google.dk/url?sa=t&source=web&rct=j&url=https://www.gsmarena.com/samsung_galaxy_ace_plus_s7500-4397.php&ved=2ahUKEwi1lt2u9tveAhWsiKYKHcVZAIsQFjAAegQIAhAB&usg=AOvVaw0lzZ8cHo-UmMNiVTZM4e8s