I am using this phone it is very good quality smart phone.
Its Camera picture quality and sound system is outstanding. I realy like this 4G smart phone.
Lenovo Vibe K4 Note Features
Its 3GB RAM 16 GB ROM 128GB supported Octa core 1.3 Ghz procesor cpu.4g avileble
Front Cam 5MP Back Cam 13MP with 5.5 inch IPS Display Full HD Display ( 1920×1080)
Battery was 3300 mAh
It has been Finger print sensor lock.
I love this phone because its camera.sound and battrey quality is realy good andriod smart phone.