Hello friends oday I am going to tell u about lenovo vibe k4 note. This is very good phone if you have budget of 11000-12000 . Let me discuss about the feature.so this phone have dolby atoms technology and its working very awesome and fingerprint for unlocking device that is best thing in this phone its timing of respond is very quick. It also ant vr( virtual reality) technology to enjoy your movies video songs in large screen.but the expierience of vr headset Is not comfortable it also harm your eyes so this feature is not so good. The battery of this phone is very good and its battery saver mode really works it extend your battery time.In this phone you get nfc support with the help of this feature you can transfer your data to another nfc supported phone by touched phone to phone it is really nice feature. This phone supports 4g networt the internet surfing speed of this phone is very good.this phone is running in android operating system lollipop 5.0 update of the phone in marshmallow 6.0 is given in that phone.this phone have another cool feature like snart lock; wide touch; double tap to unlock screen and fingerprint gesture this is very cool feature for selfie lovers. Now lets talk about the bad thing in lenovo k4 vibe k4 note. This phone is heated very much this is the reason I dislike this phone because I am long time user of mobile and this thing irritate me lot. So if you are long time user of mobile than that mobile is not for you and also any lenovo mobile is not get for long time user. But not so worry this phone is heated but turn cool very quickly. At last totally this phone is good in this price.i like very much this device