Apple iphone 6S. Its my dream to buy this and it is most expensive and popular mobile phone in world which neither hangs nor gets any kind of complaint. I like this product because it has very extraordinary features like camera, sensor etc. the only thing is its is very expensive. I used to buy this phone for past 4 years firstly I phone 4 then 4 s then 5s and now iphone 6S. It ios ease to handle and light in weight