I'm following your instructions for testing the Thread Secure DFU example
, but I run into a message "Waiting for NCP to promote to a router ..." at step 6 and I don't observe that the device resets and runs the new application. Any suggestions what went wrong ?
MBR setup

Bootloader setup

DFU client


Prepare the DFU Client

Flash the DFU Client to the board:


Prepare the firmware package for the DFU process:

Use nrfutil to run the DFU:
