
    Reboot your phone into Fastboot Mode by pressing Volume Down (-) and Power buttons simultaneously until you have seen Mi Bunny Fastboot logo.
    Connect your phone to your computer through its USB cable.
    Launch up command prompt window in a folder of where the Minimal Fastboot Files are located. Doing so is easy : Simply press the Shift button on your keyboard and right-click anywhere in that folder, then choose Open Command Window from here.
    Execute this command :

     fastboot oem edl