Xiaomi has released its new S series that is 3S. Which is loaded with 2GB of RAM, 16GB INTERNAL STORAGE, 5 HD DISPLAY, Android 6, 13mp back and 5mp front, 4G, metal body and many more. And its battery of 4100mh will give you 2 days of moderate usage, it is available in 3 colour variants Dark grey, silver, and gold.