Xiaomi's founder Lei Jun recently confirmed that the next major version of the company's user interface (UI) 'MIUI 13' is on track to arrive soon and now the firm is almost ready to update nine of its smartphones to the upcoming major MIUI version. The list was found inside MIUI 13's source code and the stable version for the Mi Mix 4, Mi 11, Mi 11 Pro, Mi 11 Ultra, Mi 11