: Right-click MsmDownloadTool.exe and select Run as Administrator .

It can fix "hard bricks" that standard tools like ADB or Fastboot cannot touch.

Only Oneplus lets you unbrick your hard bricked phone without having to visit the service center.

If your PC sees your bricked phone as “Unknown Device”:

: The tool must be used with the exact "OFP" firmware file designed for your specific device model. Using incorrect firmware can lead to permanent hardware damage.