Never update the VCDS software directly from Ross-Tech.

If the package functions as advertised, the user gains access to functions typically reserved for licensed users:

Genuine HEX-V2 interfaces utilize a proprietary architecture. Clones typically utilize cheaper microcontrollers (often STM32 or similar ARM cortex chips) programmed to emulate the Ross-Tech protocol.

Install the official VCDS 22.3.1 setup file provided in your package.

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The crucial execution loader bypass tool that communicates between the clone chip and the software.

Connect the interface to your PC's USB port. Run the companion VIIPlusLoader or VCIConfig utility from the package. Click on the "Upgrade" or "Repair" option and select the verified 22.3.1 firmware file. Wait until the progress bar reaches 100%.

Uninstall any existing VCDS drivers.