Content such as navigation, phone, music and select third-party apps appear in a separate MMI menu or the Audi virtual cockpit (in the Audi TT and Audi R8). Customers can use the car operating system to conveniently access the contents of an iOS or Android device (iOS 7.1 and above, Android at least 5.0 Lollipop) that is connected via the USB
As above, my understanding is the sat nav between the dials is part of the technology pack which essentially is a different mmi system altogether to what you have I believe the facelift started from Sep 2014 onwards (64 plate onwards). Mines a 64 but a facelift and registered in November 2014.
Download the files, unpack them, and put them on a SD card formatted to FAT32 file system. 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.MMI upgrade is time consuming: Software upgrade: 30 minutes. Map uploading 2.5 Hours (!), Activation 5 minutes Regarding the battery charger: its not needed for the update steps because there is no need to keep the key in ignition ON state or car turned on. use the KEYFOB (EVEN if you HAVE key-less entry): iUus.