Not anymore, since OneUI 8. And before that, by unlocking the bootloader you were tripping Samsung's e-fuse, permanently marking the hardware as unlocked. That'

Not anymore, since OneUI 8. And before that, by unlocking the bootloader you were tripping Samsung's e-fuse, permanently marking the hardware as unlocked. That's why nobody ever bothered making custom firmware builds for Samsung devices. Sideloading doesn't require rooting the device.