This is an amazing budget smartphone with good features like fingerprint, 13 mp camera and with 4gb ram without hanging these phone runs application smoothly with out any problem nice product, this mi user interface with nice user-friendly and batterylife is amazing long life battery in latest version of update in miui it can run multiple applications smoothly like hot knife through butter. Xiaomi has launched a great smartphone which come with 5.5? inches Fully HD display having diamond cutting on the edges which looks awesome. Redmi Note 4 has Full metallic body and it is light in weight to carry around. The operating system of the device is Android Marshmallow version 6.0 NOUGAT and on top of that it has been stuffed with a very clean user interface of MIUI 8. Redmi Note 4 has 64 GB of internal memory which can further expanded up to 128 GB with the help of a MicroSD card.