Hi friends I must tell you my experience about lenovo vibe K4 note, I had buy this phone in dec-2015, now also this phone new, because of its quality. lenovo vibe k4 note is a very good mobile for use in day to day life, if I tell you about the sound quality of this phone then you will surprise, yes friends only lenovo giving us Dolby sound in handset, and its very clear and loud sound, this phone is very to use, there is lots of shortcut and gesture in this phone but you know the shortcut very soon because its very easy and useful, this phone is very stylish and the design of this mobile is very brilliant, its look like that I am using a I phone, this called a super mobile, I mast tell you the features of this mobile, it is a 5.5 inch hd display phone, it has 3gb ram, and 16bg inbuilt, 13 mega pixel rear camera and 8 mega front camera, the processor is 1.3 gzh which is quit good, the battery back up is 3300 mgh which is also brilliant and it is value for money also you can buy this mobile 10899 only and what you want friends in this range.