Hey guys I want to told about Lenovo k4 note vibe mobile. It is very smart mobile phone has 3 GB ram and 16 GB internal memory and also has a 3300 mh battery.the battery back up and processing is very good.because I am using this mobile at a 6 month.so I can say that it is very nice and acceptable in this range.According to this range this mobile is very good because it contains any others feature which can help us to be smarter to other then.it contains 13 mega pixel front and 5 mega pixel rear camera which can help us to take clear selfies and pick.it is capture very nice and clear pic.it contains finger print lock and two sounds with clear voice.