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 035 846 details
VW Discover Media
Infotainment Name
MIB2 Std
Infotainmen Generation
Various MQB VW cars
Car model
Delphi or TechniSat
Infotainmen Vendor
Latest Firmware: Unknown FW
GPS navigation: Yes
DAB radio: No
MOST loop: Unknown
WLAN support: Supported
Reverse camera support: Supported
App-Connect support: Supported
Hackable: Unknown