https://devzone.nordicsemi.com/f/nordic-q-a/123111/nrf-connect-v3-0-1-nrf52840-bootloaderI am trying to go through this document to see fesiability of different bootloader variation Enabling a bootloader chain using sysbuild using nRFConnect v3.0.1 on nRF52840 first i have encounter the size issue on nsib with minimal config, luckilyen-USTelligent Community 13Mon, 21 Jul 2025 15:38:07 GMThttps://devzone.nordicsemi.com/thread/543058?ContentTypeID=1Mon, 21 Jul 2025 15:38:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a89cec00-6df6-47bc-8926-fef87ed5226aAmanda Hsieh<p>Hi,&nbsp;</p> <p><span>You can replace the deprecated CONFIG_MINIMAL_LIBC_xxx by&nbsp;the CONFIG_COMMON_LIBC_xxx Kconfig properties in the bootloader/mcuboot/boot/zephyr/prj_minimal.conf. See t</span>his commit&nbsp;<a href="https://github.com/nrfconnect/sdk-mcuboot/commit/89e4353a33f3e080cccae393b4c015a3ee2fe9a4">https://github.com/nrfconnect/sdk-mcuboot/commit/89e4353a33f3e080cccae393b4c015a3ee2fe9a4</a>, which&nbsp;is reflected in NCS v3.0.2.&nbsp;</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>