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: