Lenovo vibe k4 note is very good mobile in budget mobile range k4 note have 13 mega pixel reare camera and 5 mega pixel front facing camera.camera result is very good and its alsobrecord full hd video.front camera record 720p hd recording no laser autofocuse
K4 note running andoid lollypop and you can update android marshmello official in setting.lenovo vibe k4 have octa-core processor.its battery life is very good