Sony xperia xz is the best smart phone todays. It comes with 19 mp primary eye motion camera and 13mp front camera that give excellient quality images. It comes with 5.5 inch 4k display with gorilla glass 5 protection that is amazing feature of this mobile. It comes with 4 gb ram and 64 gb internal memory. Battery capacity is 3230 mah that give good performance. Best feature is it comes with fast charging 3.0 and volte, viLTE, vowifi etc. It comes with naught 7.1 version of android. It is water resistence smart phone and both side have gorilla glass.