e2fsck -p -f -v '/dev/block/mmcblk0p19'
e2fsck -p -f -v '/dev/block/mmcblk0p20'
e2fsck -p -f -v '/dev/block/mmcblk0p21'
sudo fastboot -w
sudo fastboot format 'system'
sudo fastboot erase 'boot'
sudo fastboot reboot-bootloader
sudo fastboot flash userdata ~/'Downloads/asteroid-image-dory.ext4'
sudo fastboot flash boot ~/'Downloads/zImage-dtb-dory.fastboot'
sudo fastboot continue
fastboot -w
fastboot format 'system'
fastboot erase 'boot'
fastboot erase 'recovery'
fastboot flash 'boot' 'x'
fastboot flash 'recovery' 'x'
fastboot flash 'system' 'x'
fastboot reboot-bootloader
fastboot oem lock