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]

I am using dfu_test_softdevice_s130.hex for softdevice and dfu_test_bootloader_s130.hex for bootloader which is located in above path which you are mentained. and trying to update DFU using dfu_test_app_hrm_s130.hex file with own generated package.