APPLE . one of the most developed and the best mobile phone company in the whole world. apple is the phone which is used in the whole world . it is the world best selling phone.this model which IPHONE 5S is one the best models of it. I have one of them in gold colour . it is so fast and durable and the best.the ram the storage the design is just awesome . the camera is perfect it clicks pictures like a professional camera. no words for this mobile . its just perfect. I used it now also and in future I will try to update on an iphone 6s . the display quality and the gaming is the best. I suggest you to always buy a iphone its expensive but it is worth for itt.APPLE IPHONE 5S THE BEST