I got k4 note on23/01/2016.My first impression about the device; This is not a well built machine, the back lid is very unhealthy.the front portion is beatiful because of the intelligent placement of loud speakers Pros; very hand friendly, finger print sensor, best sound quality from duel speakers, pleasant display after changing to asus zen phone launcher, moderate battery backup.CONS; no native video calling, non removable battery, no earphone