The xiaomi Redmi Note 4 follows in the footsteps of the Redmi Note 3 and Redmi 3S, which were among the top selling device online last year.Much Like its predecessor, the Xiaomi Redmi Note 4 model Sports an-all metal body and boasts of impressive specifiation. While the Chinese version of the xiaomi Redmi Note 4 was unbelievable in August last year. The 5.5-inch full - HD IPS display has a resolution of1080 X 1920 pixels, which works out to a density of 401ppi. Thanks to the full-HD resolution.