iPhone 5s is purposefully imagined, featuring a 4-inch Retina display, an A7 chip with 64-bit desktop-class architecture, the Touch ID fingerprint sensor, an 8MP insight camera, a FaceTime HD camera, LTE and Wi-Fi,1 iOS 8, and iCloud. It's loaded with features and innovations, meticulously considered and precision crafted. Apple iPhone 5s smartphone was launched in September 2013. The phone comes with a 4.00-inch touchscreen display with a resolution of 640x1136 pixels at a pixel density of 326 pixels per inch (ppi) and an aspect ratio of 16:9. Apple iPhone 5s is powered by a 1.3GHz dual-core Apple A7 processor. It comes with 1GB of RAM.