Lenovo Vibe K4 Note- It is the best smartphone nowadays.It has all features young generation need.It have 1.3 ghz processor.The RAM of this phone is very good that is 3gb. ROM of this phone is 16gb and it also have external card which can be upto 128gb.It has 3300 mah battery and is under the range of 12, 000.Camera quality of this phone is very good.It has 13Mp rear camera and 5Mp front camera.The size of this phone is 5.5 inch long. It is a dual sim phone and it have octa-core processor. It is the best phone for use