A method involving flashing modified firmware to bypass signature checks. Prerequisites: Preparing for Unlock Ensure you have the following before starting: Samsung S9 (Snapdragon) charged to at least 60%. A Windows PC. USB Cable. Samsung USB Drivers installed on your PC. Odin3 (patched/patched version) downloaded on your PC.
You are using standard Odin. Switch to Patched/Modified Odin to bypass signature verifications. unlock bootloader samsung s9 snapdragon high quality
From this point, you can then enter (using the key combination of Volume Down + Bixby + Power ) and use Odin to flash an official bootloader unlock or a custom recovery. A method involving flashing modified firmware to bypass
Download and install the official drivers on your PC. USB Cable
Tap seven times until a message says "You are now a developer".
If you cannot unlock, here are safe alternatives for Snapdragon S9:
If you've come across an article claiming a "high quality" unlock for the Snapdragon S9, here's a quick reality check: