Android 6 (Marshmallow), ColorOS 3 ; Chipset, Qualcomm MSM8940 Snapdragon 435 (28 nm) ; CPU, Octa-core 1.4 GHz Cortex-A53 ; GPU, Adreno 505 ... This is a great product. In one line, It is a Skyleader. It's both camera,a lot of hidden featuers, battery life,net speed, looks etc