Sony Xperia 1 - Iode OS

How to flash

fastboot flash boot boot.img
fastboot flash dtbo dtbo.img
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
fastboot wipe-super super_empty.img

References

https://xdaforums.com/t/rom-unofficial-lineageos-20-21-for-xperia-1-5.4630585/