Open on Windows, locate any failed USB entries, and uninstall them.
Here are some additional tips and tricks to help you troubleshoot the "QFIL failed to open COM port handle" error:
If the device is recognized only as a generic "Quectel 9008" or "QHSUSB_BULK" and the standard driver won't take, this is a powerful alternative.
Open on Windows, locate any failed USB entries, and uninstall them.
Here are some additional tips and tricks to help you troubleshoot the "QFIL failed to open COM port handle" error: qfil failed to open com port handle
If the device is recognized only as a generic "Quectel 9008" or "QHSUSB_BULK" and the standard driver won't take, this is a powerful alternative. Open on Windows, locate any failed USB entries,