Please see thread Bake a Pi
If you have installed Piaware 3.5.0 image (SD card), go to OPTION-1, item “(5) (c) If you are replacing old Pi by a new one”
If you have installed Raspbian + Piaware 3.5.0 (package install), go to OPTION-2, item “(9) If you are replacing old Pi by a new one”.
After steps mentioned above, you will have to delete file feeder_id before reboot
sudo rm /var/cache/piaware/feeder_id
sudo reboot
.