fastboot devices
fastboot getvar config
fastboot getvar dustversion
fastboot getvar ramsize
fastboot getvar toc0hash
fastboot getvar toc1hash
fastboot getvar toc1version

# may take 30s+
fastboot get_staged dustx100.bin


for rooting:
fastboot getvar config
fastboot oem dust aabbccdd
fastboot oem prep
fastboot flash toc1 toc1.img

dreame:
fastboot flash boot1 boot.img
fastboot flash boot2 boot.img
fastboot flash rootfs1 rootfs.img
fastboot flash rootfs2 rootfs.img

roborock:
fastboot flash boot_a boot.img
fastboot flash boot_b boot.img
fastboot flash system_a rootfs.img
fastboot flash system_b rootfs.img