Audi A4 RB4 DEF error Virginize

[fudballer]

Hi guys i have one question. So when you try to do odometar correction and samething fail and go wrong you get DEF error and i saw people do something and it's calling Virginize dashboard and km goes to 0.0 and everthing is like new dashboard and i heard that then it is easy to calibrate with ecu that dashboard so can someone tell me how to virginize dashboard what to do in eeprom of dashboard.

Thanks