Xtool tablets (Xtool D8, D9 Pro, A80/H6 Pro etc) are good at VAG MQB 2014- VDO cluster mileage correction. Here is an example of VW Polo 2014.6. Only continental and VDO clusters are supported.

Original odometer: 231419km

Select Special Function->Instrument Cluster->VW->Polo->MQB(2014.06-)
Turn on ignition switch, but don’t start engine.

It read VIN.

It read mileage. It is the same as it is on the cluster.

Press Modify mileage
Input mileage you desired, i.e 63000 km
Put smart key close to the sensing area, click OK to continue

The instrument cluster will turn black. It is normal.

Writing mileage in process

Mileage correction is done.

Check new mileage.