Have waited for one week around and finally received Digiprog3 odometer programmer from China.
This morning, used Digiprog3 clone to change km, first for Volkswagen Vento by obd2 in five minutes.
Km before change:
Digi change km:
DP3 clone change km successfully:
Another car i did with the digi: it’s Hyundai tucson
Before change km:
Digiprog3 clone change km:
Km change success:
In sum, Digiprog3 works fine and fast in mileage correction. No need disassemble the immo box. Read and write km through OBDII.