Windows locks COM ports after a failed handshake.
For , press and hold Volume Up + Volume Down (or all physical buttons) while connecting the USB. For Preloader Mode , connect without pressing buttons. Faulty USB Path
Quickly select the or Preloader entry from the list and click Install. Use a Different MTK Bypass Version
He rebooted his PC into "Disable Driver Signature Enforcement" mode, clearing the path for the unsigned exploit drivers to run without interference.