Audi Symphony Radio is an audio system available in some Audi models.
Most versions of the system include an AM/FM tuner with Radio Data System (RDS) that can display station, artist, and track information, as well as a CD player.
How to know if I have Audi Symphony / Concert Radio?
We can simply identify it immediately on the Audi Control Unit , it is indicated in the CD Player area.
Audi Symphony CD Player

Audi Symphony CD Player

How to know if my Audi Interface is MMI 3G?
The Audi MMI 3G was the next-gen MMI that offered the same level of functionalities as MMI 2G High.
But faster and with a better/updated user interface.
We can simply tell from the following picture:

Audi Cockpit with MMI 3G

Audi MMI 3G Software Version

Audi MMI 3G Control Unit

How to know if my Audi Interface is MMI 3G+?
An upgraded version was later introduced as the Audi MMI 3G+.
It offered a 7-inch TFT color display, four function keys (instead of eight), and a central control dial with joystick functionality.
We can simply tell from the following picture:

Audi Cockpit with MMI 3G+

Audi MMI 3G+ Audi Connect Menu

Audi MMI 3G+ Control Unit

Audi MMI 3G+ Controller
How to know if my Audi Interface is MMI 3G+ Touch?
The Audi MMI 3G High, despite having similar specs as the 3G+, offers a touchscreen,
enabling handwriting recognition for better accessibility, and also had Bluetooth streaming as standard option.
We can simply tell from the following picture:

Audi Cockpit with MMI 3G+ Touch

Audi MMI 3G+ Touch - Audi Connect Menu

Audi MMI 3G+ Touch Control Unit

Audi MMI 3G+ Touch Controller
How to know if my Audi Interface is MIB / MIB2 ?
The MIB or the Modular Infotainment Baukasten is Audi’s modern MMI system based on a completely new architecture.
Launched in 2013 with the Audi A3, the MIB MMI system incorporates two separate main units into a single housing.
We can simply tell from the following picture:

Audi Cockpit with MIB

Audi MIB - Audi Connect Menu

Audi MIB Controller