How to recovery bricked Mi box 4 (MDZ-21-AA) and get ROOT，小米盒子 4 變磚復原並 Root, Tutorial step by step!!

Tutorial how to recovery bricked Mi box 4 (MDZ-21-AA) and get ROOT, step by step. 如何讓已變磚的小米盒子4重新復原，並取得 ROOT 權限 ---- File download links / 檔案下載連結 ---- Burning Tool: #pCMUD7oOa928Zsj5_wTGTT8wv6C3fU3oZYe_twyc2w4 USB Burning ?dl=0 IMG file: #z_fcJh-NuJ7oARScPdX169zNQYxJMSiWqtBamdenA9M