The next step is the firmware installation. Again, go to the Engineering Menu, put the SD card in the MMI’s card slot, and click “Update”. Choose the Audi A4 firmware installation source – the SD card – and choose “Standard” on the next screen. The installation will begin and it should take around 30-60 minutes. On the Audi TT and the Audi R8 the Virtual Cockpit is standard, and it's available as an upgrade option on the majority of Audi's other models, from the A3 through to the Q7. It's standard on the MMI 3G High uses SD cards to update the files on the hard drive. MMI 3G Basic might still use a DVD disc in a drive. The Communication Repair Manual implies that MMI 2G High was a DVD in a drive in the left rear cargo area and MMI 2G Basic was a DVD in a drive in the glove box. And that MMI 3G (without reference to High or Basic) uses a hard sd71Zu.