Part number must be 9 or 10 characters long, only letters and numbers. You can find it in system settings, service menu, and at the back of the head unit.
3Q0 035 819 A details
VW Composition Media
Infotainment Name
MIB2 Std
Infotainmen Generation
Various MQB VW cars
Car model
Delphi or TechniSat
Infotainmen Vendor
Latest Firmware: Unknown FW
GPS navigation: No
DAB radio: No
MOST loop: Unknown
WLAN support: No
Reverse camera support: Unknown
App-Connect support: Unknown
Hackable: Unknown