If you encounter issues during the driver installation or experience problems with the Zelio Sr2 Usb01 device, try the following:

The SR2 USB01 cable uses an (virtual COM port). Windows 10 often blocks older FTDI drivers for security reasons. Do not use the driver from 2008.

Navigate to the folder where you extracted the downloaded driver files and click

Go back to → Ports (COM & LPT) . You should now see:

If the cable stops working after a Windows update, uninstall the device from Device Manager (checking the box to "Attempt to remove the driver") and reinstall using the latest setup file. Software Version: