Hello friends; I want to write a review about lenovo k4 note. Lenovo k4 note was upgrade to 6.0.1 ( marsmallow) and ram is 3 gb and rom 16gb inbuilt.lenovo k4 note has take figerprint scanner and we have lock any app and lock screen with finger print scanner.lenovo k4 note has free hanging problem because it gives 3 gb ram. Its screen quality was good and sound was soo good because it has doobly atomsphere.rear camera is 13 mp and front camera 5 mp. Screen is 5.5 display. This phone soo good and smart features and flashlight is multi colour.