The Lenovo Vibe K4 Note is the best smartphone in the world.its 4G feature make it very impressive and awesome. It’s very light weight to carry. Now I can use my double sim in it which is pretty impressive. Screen is very big for watching HD movies. And it has a marshmallow update also. The camera quality is very sharp and clear . For security purpose it has Fingerprint sensor which is very brilliant. And main important feature is its dedicated slot of 256GB so that you can save unlimited movies and songs.