Hi friend Redmi note 4 is a best and cheap mobile in day today life. It features are exciting. The secondary camera is worth 13mpxl which shoots a image in the range of DSLR. The negative thing is the set vera so heat due to over usage. Though Redmi Note 4 is a Best and Cheap mobile. The style and design of the mobile is excellent which feels to like it very much.simple and easy to use. The Finger print sensor is likely good but it doesn’t work with wet hand or oily hand. This is all about Redmi Note 4