Op-com_restore_ftdi_to_ori_v20830.7z Apr 2026

: The FTDI chip displays USB/VID_0403&PID_0000 in Device Manager instead of the correct PID_6001 or PID_4F50 .

The interface should now be recognized with a valid serial number. 2. Reflash the MCU (PIC18F458) OP-COM_RESTORE_FTDI_to_ORI_v20830.7z

Select the appropriate binary ( .bin or .hex ) file for your intended firmware version (e.g., v1.39, v1.45, or v1.59). Enable VCC and program the flash memory. : The FTDI chip displays USB/VID_0403&PID_0000 in Device

Connect the device to your PC via the ICSP port if using a programmer. Reflash the MCU (PIC18F458) Select the appropriate binary

Load the .ept file included in your v20830.7z archive (this contains the correct original properties). Select the device and click .

: Use 7-Zip to extract the .7z file; if you encounter "Cannot Open File as Archive" errors, the file may be corrupted and require a repair tool like WinRAR to fix the headers.