Full modem update configuration

Hi,

I want to do full modem update.

https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/samples/nrf9160/http_update/full_modem_update/README.html

My device is - nrf1960

nrf SDK version  - 1.9.1

I am not understanding how to do the following configuration. Please guide me.

On the nRF9160 DK, set the control signal from the nRF52840 board controller MCU (P0.19) to high to let the nRF9160 communicate with the external flash memory. 

I have through following link also. Still cant understand.

developer.nordicsemi.com/.../index.html

Best regards


Praveen Deshmane


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