Xiaomi Redmi Note 4 is one of the best mobile I have ever seen.It has the best sound quality and the cost is also low. I think it is best than any other mobile . memory , speed , ram picture quality, sound quality , and cost is what makes it high that other mobile . I would like to invite everyone to buy this mobile it has good battery backup also . Xiaomi is one of the best mobile . The everything that makes a mobile best is in Redmi . .I like the mobile and I hope that you all will like it after buying it.