Mprog
How to use MProg to change VID/PID
- Download MProg from https://tucnak.nagano.cz/download.php#mprog
- Unplug all FTDI devices. Best way is to unplug all USB devices.
- Run MProg
- File, Open, choose rotar.ept or davac4.ept
- Press toolbar button Programm All Existing Devices or press Ctrl+P
- Press toolbar button Cycle device
- Cancel drivers installation request