Dirty Flash Guide for Sammy snapdragon.

Assuming you are already on a Oreo Beta:
-Turn off your phone
-Boot Download Mode
-Open Odin (NOT THE PRINCE ONE)
-Place BKQ5's BL, CP and AP in there respective boxes
-Leave CSC's box empty
-Click start
-Let device boot (optional; insures you didn't fuck up odin flashing. if done correctly it will tell you to wipe. ignore and continue )
-Reboot to recovery
-Flash the beta you were trying to dirty flash to
-(optional but recommended) Reboot to recovery and wipe cache

Sidenote: As many AT&T users have mentioned, this does not work on AT&T.