To flash factory firmware, recover bricked devices, revert from custom ROMs, or bypass security, often appearing in device manager as a "Qualcomm HS-USB QDLoader 9008" port.
A specialized USB cable with a built-in button to force EDL mode. Flashing Tools: qualcomm-edl-mode-flash-tool
A PC running Windows, Qualcomm USB drivers (QDLoader HS-USB), the proper device-specific firmware, and a flashing tool. Access Methods: Software: Using command prompt tools ( adb reboot edl ). To flash factory firmware, recover bricked devices, revert