https://devzone.nordicsemi.com/f/nordic-q-a/84120/nrf9160-modem-firmware-update---fotaHi, I&#39;m working on nRF9160 modem firmware update. While working on nRF9160 modem, I found that it uses nrf_modem library which is precompiled library whose only API can be used into sample demo. For modem firmware update, it uses nrf_modem_full_dfu_bl_writeen-USTelligent Community 13Thu, 27 Jan 2022 09:04:44 GMThttps://devzone.nordicsemi.com/thread/349891?ContentTypeID=1Thu, 27 Jan 2022 09:04:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e19dab9c-5220-4595-8069-33785eb8273fSigurd<p>Hi,</p> [quote user=""]1) Could you please share the nrf_modem library source code ?[/quote] <p>No, it&#39;s a&nbsp;closed source library. Documentation for the library can be found here:&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.8.0/nrfxlib/nrf_modem/README.html">https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.8.0/nrfxlib/nrf_modem/README.html</a></p><div style="clear:both;"></div>