Samsung Galaxy S8
Please check this guide for installation.
I have perform these steps only but its showing device not supported as seen in screen shot
Are you trying to use the same code you used for lite?
Before asking code this error is popping up
Again providing build no and model no
build time ms: 1591713991220
build date hr: 2020-06-09T14:46:31.220Z
cp vers: :1