iphone 

  Featuring iPhone form an attractive and stylish design and brilliant metallic edges as well as interest and ease of control and fast performance, long battery life remains almost 7 hours a day , the special and accuracy in the imaging camera and software is by downloading  APP STORE , and the best thing in it no body can steal because it offers protection. 
and the disadvantages of it :  No Bluetooth file transfers where the transfer of files from the iPhone to another.  It does not contain a battery , The size of mega-pixel camera fixed , High price and if the anybody buy the first time this phone faces difficulties in it is use.