How to generate init file(*Dat) for secure DFU OTA update?

[Nilesh Bhavsar]

Hi;

I am trying to secure DFU OTA. For that, i am using SDK12.2.0 and done with example file.

Now how to generate this .dat file itself.

Also explain each parameter of init file and how to set it.

[bjorn-spockeli]

Hi Nilesh,

you can generate firmware images for the Secure Bootloader using our nrfutil tool, which is available here on GitHub.

Install instructions and examples on how to generate the firmware images are given in the READM.md file.

Best regards

Bjørn

[Nilesh Bhavsar]

Hello Sir,

I apologize for the mistake.

I am trying to OTA with the SDK11 and SDK12 both.

When i an trying with SDK 11 and start to transferring process using my mobile app.(NRF Connect), my mobile application start to transferring process and completed it by 100% but no any effect happened in my board.

Same thing with in SDK 12, my mobile application given me error message "DFU is failed".

Thanks