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.
5G0 035 844 details
VW Composition Media
Infotainment Name
MIB1 Std
Infotainmen Generation
VW Golf MK7
Car model
Panasonic
Infotainmen Vendor
Latest Firmware: Unknown FW
GPS navigation: No
DAB radio: Unknown
MOST loop: Yes
WLAN support: No
Reverse camera support: Unknown
App-Connect support: No
Hackable: Unknown