Op-com_restore_ftdi_to_ori_v20830.7z May 2026

If your computer sees the device as a "Generic USB Serial" or shows PID_0000 , you must re-program the FTDI chip's EEPROM. : Use a utility like MProg or FT_Prog . Process : Open the tool and scan for devices.

Load the .ept file included in your v20830.7z archive (this contains the correct original properties). Select the device and click . OP-COM_RESTORE_FTDI_to_ORI_v20830.7z

: Attempting to move from version 1.64 to 1.65 (or similar) results in a non-responsive device. Restoration Steps If your computer sees the device as a

Verify the success of the programming before reassembling the unit. Critical Tips for Success 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.