HI Revan here, I have bought this phone in September 2015 its been working smoothly, Sound Reception is amazing we have an inbuilt app called dolby using which we can customise n get beutiful sound, Kit Kat 4.4will give u great ease of use but I dont have good expirience when playing graphical games it will get slowedown, physicaly its stylish looking and design is eye catching, it provids great range of features its been my greate companion in every job interviews in bangalore map n GPS is ultimate, its been more than year with my lenovo now, its worth money. thanks