Download DECRYPT_RW.img.tar
jrkruse For userdata aio script.
Edward For help.
https://github.com/samsung-sm8550/kernel_samsung_sm8550/tree/twrp-12.1
git clone -b android-12.1 https://github.com/Archer3770/twrp_device_samsung_dm3q device/samsung/dm3q
export ALLOW_MISSING_DEPENDENCIES=true
. build/envsetup.sh
lunch twrp_dm3q-eng
mka recoveryimage