First talk about the cost of iphonee 6s. you have to pay 47, 499. thus phone is available in 16 GB, 32GB, 64GB, 128GB storage variants. the display of 6s is 4.7 inch this phone is powered by Apple A9 64-bit processer abd 2GB RAM. 6s comes with non removable battery it is 1715mAh battery. The 6s runs on the iOS 9 operating system. the working of this phone is very cool. the processing speed is also very fast. the camera of 6s is just outstanding 12 MP back camera and 8MP frint camera . also is coupled with dual LED flash. It will also record 4K video. The fingerprint of this phone is very fast. atlast this phone is very good you should buy this phone.