This is a tag for a demo build remember swupdate -i update-image-raspberrypi4-64.rootfs.swu -c -H raspberrypi4-64:1.0 -v -e stable,copy1 Also note btw, be careful that you use the right copy depending on the current partition you are run mount if /dev/mmcblk0p2 is mounted on / then apply copy2 otherwise copy1. you might need to set the new env manually in the bootloader afterwards