Samsung Galaxy S9 Snapdragon (SM-G960U, SM-G960U1, SM-G960W)
SamPWND provides root access without actually unlocking the bootloader, using modified firmware. A full bootloader unlock gives you complete control, allowing you to flash custom recoveries and ROMs. SamPWND is more limited but also less invasive.
Look at the text matrix in the top-left corner of the screen. It should state: CROM SERVICE: UNLOCKED or OEM LOCK: OFF . What Happens Next? Rooting and Custom ROMs