After loading Nfcrdlib_SimplifiedAPI_EMVCo_Secondary.nnc.bin from the "Load Secondary Firmware" option on the Extra tab of NFC Cockpit, my PNEV5190B no longer responds and cannot be operated from NFC Cockpit.
According to the update log, the firmware download completed successfully without any reported errors. The board became unresponsive only after the update was finished.
I found a similar issue in this thread, but I would like to understand the root cause.
What could cause the board to become unresponsive even though the firmware update completed successfully?
Is it possible that I used an incorrect secondary firmware image for my board or firmware version?
Why does loading the secondary firmware result in a state where NFC Cockpit can no longer communicate with the board?
Thank you for your support.