Unlocking the bootloader transforms a locked-down carrier device into a developer-friendly machine. With a custom ROM like LineageOS, your S9 can outlive Samsung’s software support by years.
If you have a (check in Settings > About Phone > Model Number): unlock bootloader samsung s9 snapdragon high quality
: Follow the on-screen prompts to confirm the wipe and unlock. 2. The "SamPWND" Method (US/Canada Models) About Phone >