As of March 2026, Samsung has reportedly started disabling Odin/Download mode on newer flagships (like the Galaxy S26) running One UI 8.5+ to improve security. Check your device version before proceeding. 📥 1. Downloading the Odin Zip
Or connect to PC while holding (newer models). Download Odin zip
(e.g., Galaxy S22, A54)
Flashing (especially with a CSC file) can wipe your entire device. As of March 2026, Samsung has reportedly started
Click Start . Do not touch the cable until you see a green "PASS!" message. As of March 2026
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