Demo model: Redmi k40 System version: MIUI12 redmi is a red rice phone, a brand of Xiaomi mobile phones. red means red in English, and mi is the trademark of Xiaomi. It was formerly called red rice phone. After the Redmi brand became independent, it was changed to the English name redmiRedmi. redmi is a brand new product launched by Xiaomi on July 31, 2013. At 10 am on January 3, 2019, Xiaomi officially announced the independence of the Redmi brand.