Iphone is a costliest phone but it has so many features .it works like beast. it has 3gb ram . camera works great with optical stabilization. its gaming perfrmance is marvellous. it doesn’t have 3.5mm headphone jack. it comes with ios10 operating system . it is very easy to handle. at this cost we can buy a two smart phones . if you have passion on iphone then buy it. in multitasking, it works well.it runs applications smoothly without struck .its resolution is high. we can enjoy high performance