How-to: clone VW and Skoda MG1CA811 ECU using Launch X-prog3 and PC Adapter.
Run PC software
Quick search ECU type MG1CA811
Select Skoda Fabia 2006-2020 SPC58 MG1CA811 ECU
Check wiring diagram
Follow wiring diagram to connect ECU with PC adapter and X-prog3
Press Connect
Read EEPROM data and save original eeprom
Read original flash data and save
Disconnect.
Connect donor ECU with Launch X-prog3 and PC adapter
Back up donor ECU eeprom
Back up donor ECU flash
Write original flash to donor ECU
Done. Install donor ECU to vehicle.