Firmware update with serial interface nrf9160https://devzone.nordicsemi.com/f/nordic-q-a/116173/firmware-update-with-serial-interface-nrf9160Hi, We&#39;re using the nrf9160 SoC for our application and we need a way to program both the modem and microprocessor during production. In development we&#39;ve used a JLink with a JTAG interface to program the modem and processor, but we&#39;ve read it is recommendeden-USTelligent Community 13Mon, 11 Nov 2024 12:40:09 GMTRE: Firmware update with serial interface nrf9160https://devzone.nordicsemi.com/thread/509883?ContentTypeID=1Mon, 11 Nov 2024 12:40:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e75a8096-951e-4765-ac89-28f7a0cf57e7Hakon<p>Hello,</p> [quote user=""]This should enable the bootloader.[/quote] <p>There are a lot of other configs that need to be enabled for serial DFU to work, and it depends on what your backend is. You should check out zephyr\samples\subsys\mgmt\mcumgr\smp_svr sample and copy the contents of the relevant config files for your application.</p><div style="clear:both;"></div>