: Disable your computer's antivirus temporarily, as it may flag the flashing tools. Extract the firmware .rar file (common passwords include firmware4mobile.com or wonggaptek depending on the source).

: Once the boot is repaired, you must usually flash the full official firmware via the Odin Tool to restore the operating system. Dead Boot Repair Process

: A specific firmware package (often found in .rar format) containing a scatter text file that defines the device's partition map.

: Once the tool shows a successful flash (indicated by a green check or completed progress bars), the device should be able to enter Download Mode (Power + Volume Down). You can then use Odin to flash the official stock firmware.