A respectively fast processor, excellent build quality and a great operation system. iPHONE 5S was once the flagship phone to beat, with it having a fingerprint reader, It was one of the first smartphones in the world to store your bio metric data. iPHONE 5S is quit old, but it IOS 10, has a fingerprint reader, is a 4in smartphone and has excellent build quality. Performance of the camera of this phone is good for selfies.