Samsung Galaxy is the most wonderful world the design is very good screen is anmoled clear glass 6gb Ram the most DDR Ram and 64GB ROM 128 GB expandable memory and the camera is most excellent camera 16 mp back camera and front is 16 megapixel 4000 MH battery and the CPU is adreno 510 and the Android is 6.0 Marshmallow version and the processor is Qualcomm Snapdragon 653 processor core is Octa Core and this mobile is fastest 4 G Internet many sensor are involved in this mobile like fingerprint sensor