It is a Chinese product which selles in India very rapidly.It has 4GB of RAM and 64GB of internal storage.It has 13 mp of rear camera and 5mp front camera both are very nice.This device is very nice to take selfie.It is very nice to gaming and I ternet browsing it supports Indian Reliance Jio and 3 also its video camera is also very nice, 1080p video can be taken.Its bettery service is also very good its bettery life is about 10-12 hours during internet browsing and gaming.This device is very comfortable for watching movies on it, it gives good quality of video it very clear and clourful video than other devices.Its stysh is also so nice I most like its bake side style it is awesome.This device has fingerprint sensore and is 100% working some devices do not work but it is perfect in this case.Its sound is also so nice it is really usuable listaning mp3 songs and its calling speaker is also very good I feel very nice during calling.This device does not get hang during overloading but get heated so during internet browsing and gaming and other purposes when it gets overloaded it is a demarit of this device.It is device which can purch with less price I think it is the smartphone under price 10, 000-20, 000.Best of luck to the Xiaomi Redmi Note 4 users.