Download Odin Zip -

Click the buttons in Odin to match your extracted firmware files: BL: Bootloader file AP: System/Main firmware (takes the longest to load) CP: Modem/Radio file

Open the folder and right-click Odin3.exe -> Run as Administrator . Enter Download Mode: Power off your phone. Hold Volume Down + Bixby (or Home) + Power (older models). Download Odin zip

Or connect to PC while holding (newer models). Click the buttons in Odin to match your

Regional file (use HOME_CSC to keep data; CSC for a clean wipe) fixing a boot loop

Right-click the downloaded Odin file and select "Extract All."

(e.g., fixing a boot loop, updating manually, or rooting)