Apple company is the best company of the smartphone.And all smartphones of this company is the best phones ever.The Iphone 5s is the best smartphone because the size of iphone 5s is the middle size not larg and not small and the iphone 5s is a thin smartphone. IPHONE 5S release in september 2013.Withe the version IOS7.And with 1GB Ram.With the memory of 16GB 32GB 64GB.At this time the phone 5s is selling at the price of 20000 With 16GB of Ram.Te video clearity of iphone 5s is very best.And the sound of iphone 5s is very clear.And very very good.And this phone design is very simple and best.And the iphone is very easy to use.This is a 4G support phone.And this phone is upgradeble to IOS 10.1. And the Chipset of iphone 5s is Apple A7.And the CPU is Dual-core 1.3 GHz Cyclone(ARM v8-based) of this phone.And the GPU is PowerVR G6430(quad-core graphics).