VVDI2 Program Audi Q7 2011 All Key Lost

Need feedback:

Audi Q7 2011 all key lost .
Using vvdi prog and vvdi2
1-Reading EZS eeprom 32KB using vvdi prog (0L01Y).
2-On vvdi2 choose key position 1.
3- prepare Dealer key.
4- writing new eeprom dump to EZS using vvdiprog .

this model all key lost can’t do through obd2, need to remove ecu
Car start success

http://blog.vvdishop.com/program-audi-q7-2011-all-key-lost-with-vvdi2-and-vvdi-prog/