Lenove is a big name in techonlogy industry
let me tell tell you briefly what is k4 note
K4 note is a good phone in this price
its comes with 3g ram which prevent your device from lagging
octa core processor which give you a great speed
3300mah baterry its big enough to use your phone whole day
camera quality is damn high
internal memory is 16gb which is good enough
rear camera is of 13 mp with dual LED flash which improve the quality.