I am happy with this phone. Lenovo vibe K4 is very beautiful and good looking stylish.
The features are-
IPS LCD capacitive touchscreen, 16M colors
5.5 inches(~71.0% screen-to-body ratio)
1080 x 1920 pixels(~401 ppi pixel density)
comes with Corning Gorilla Glass 3
Platform is Android OS, v5.1.1(Lollipop), upgradable to v6.0(Marshmallow)
Internal=16 GB, 3 GB RAM - A7010 a48 8/16/32 GB, 2 GB RAM - A7010
USB Port-microUSB v2.0
Non-removable Li-Po 3300 mAh battery
Sensors-Fingerprint, accele_45rometer, gyro, proximity, compass
Primary Camera-13 MP, f/2.2, phase detection autofocus, dual-LED(dual tone) flash
Geo-tagging, touch focus, face detection, HDR, panorama
Video=1080p@30fps
Secondary=5 MP, f/2.2
But the screen lacks in brightness as this has got a warm tint while watching HD videos it lacks the vivid and bright details which my One plus one offers. Lenovo is a trusted brand quality & service are awsome.