AFTER SUCCESFULLY LAUNCHED mi note 3 company has launched its upgraded version mi note 4 both phone have similer metal design now note 4 has come with 4gb of ram and powerful sapdragon 625 chipset which gives a awesome performance without any lag .it has 4100 mah battery and 13 megapixel back and 5 mega pixel selfie camera and fingerprint sensor . you can buy it frpm flipkart or mi store online ok .