This knowledge base add imx8ulp swupdate support based on AN13872. Uboot patch: add_swupdate_support_for_imx8ulp_in_uboot.patch swupdate-scripts patch: 0001-add-imx8ulp-support-in-swupdate-scripts.patch Note You must generate new key referring  5.4.3.3 Generating a key before build. Commands 1. base image build command ./assemble_base_image.sh -b imx8ulp -e emmc -d doublecopy -m 2. update image build command ./swu_update_image_build.sh -e -s ./priv.pem -b imx8ulp -g 3. flash command: uuu -b emmc_all .\imx-boot-imx8ulp-lpddr4-evk-sd.bin-flash_singleboot_m33 .\swu_doublecopy_rescue_imx8ulp_emmc_20240914.sdcard     Useful links: https://sbabic.github.io/swupdate/building-with-yocto.html#automatic-sha256-in-sw-description https://sbabic.github.io/swupdate/sw-description.html?highlight=hwrevision