Make sure you have unlocked the bootloader, if you successfully unlock the bootloader, the first time it turns on it will say device has not been unlocked, and continue.
Brings up the OEM menu again
This process is so that when installing the auto patch firmware it doesn't fail, Important!
Connect to a Wifi network,
Then enter date and time settings, deactivate automatic date and time,
Push back the date 7 days,
Then check that the OEM menu will appear, the important thing is that it appears and cannot be clicked, no problem.
Flashing process via ODIN
Extract Odin3.rar and also the downloaded FRIMWARE
open the odin tool and fill in all BL AP CP CSC with auto patch firmware,
Plug the Samsung into Odin mode / download mode, click Start.
Wait until it's finished,
If you have the usual setup to go to the menu and connect to the Wifi network, install the Magisk update.