Samsung Note 9 SM-N960U1 Qual Snapdragon

you can’t soft brick
if using Odin on a Windows PC, you can Update / Install / Restore Stock-Samsung-Firmware, in a simple Graphique User Interface.
or using Heimdall-Flash commands line on a Linux PC.
itsclarence, the éditor of this build is reconised and considered on this forum.

https://community.e.foundation/t/howto-install-e-on-a-samsung-smartphone-with-windows-easily/3186
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https://community.e.foundation/t/howto-install-e-on-a-samsung-device-from-a-gnu-linux-pc-successfully/22384