Look at the "Software version" line. If it starts with HNav_... or HN+... , you have 3G Plus.
When to involve a dealer or specialist
: This indicates MMI 3G Basic (DVD or SD card-based navigation). audi mmi 3g plus firmware update link
: A popular resource for original OEM firmware updates and software solutions tailored to specific Audi models. Look at the "Software version" line