How to write application firmware for nRF9160DK

[ppc paper]

Dear,

I'm trying to do an application firmware update the way this URL does.

When I select "nrf9160dk_asset_tracker_v2_ltem_<version-number>.hex", it says "Part of the HEX REgions are out of the device memory size, but you can still proceed write operation".

Is there no problem if I press "Erace & write" as it is?

I look forward to hearing from you.

Thanks,

[Ivan Herrera]

Is switch SW10 set to nRF91? If it's set to nRF52 it is possible you get that message.

[Albrecht Markus Schellenberger]

 Hello Norio,

Is there no problem if I press "Erace & write" as it is?

The secure bootloader chain is enabled by default for nRF9160 DK in Asset Tracker v2. The immutable bootloader stores keys in UICR to verify the MCUboot image during boot, which results in this warning.  

In other words: it is fine to proceed :-)

Cheers, 

Markus

[ppc paper]

Hello,

Sorry for replying late.
thank you for your answer.
It seems that there is no problem to continue, so I will continue to check the operation as it is.
It was very helpful.