I have used this phone from my colleague and feel nice to use it. I have seen so many mobiles in this catagory with price more than 16000Rs. Lenovo Vibe K5 Note is so swift and effective in K series. the mobile is also economic. battery li polymer very effective and less heated. the body is sleek with 5.5" big screen.main camera with 13 megapixel and front with 8 megapixel. Finger sensor unlock mobile swiftly. Sound quality with Dolby Atom is great.overall very nice features. I am satisfy by use this smart Lenovo Vibe K5 Note.