K4 note is good mobile in this range.lenovo makeing very good mobile device.before k4 note lenovo made k3 note.it give success as like k4.but k4 note is upgrated version of k3 note.
Specifications- it has 3 gb ram and 16 gb rom.it make mobile to running free and make more space to save our files.
It has 13 mp rear cemera and 5 mp front facing camera which takes great and qawality pictures.
It has protection of corning gorrila glass 4 to protect damage of screen. The screen resolution is 1940×1080. It has full hd screen.it support otg cable and free to transfer our files from one device to pan drive or any other place.
It provide 3D effect if we using 3D glass in watching video.
Overall is it good mobile device