Samsung released the November 2024 Android security patch for the carrier-locked Galaxy S23 trio in the US a few days ago, which is now rolling out to the unlocked models as well.
The software updates that bring the November 2024 security patch to the Samsung Galaxy S23, Galaxy S23+And Galaxy S23Ultra have firmware versions S911U1UES5CXI8, S916U1UES5CXI8 and S918U1UES5CXI8 respectively.
Samsung Galaxy S23Ultra
These updates are rolling out in the US and if you haven’t received them on your unlocked Galaxy S23/S23+/S23 Ultra, you can manually check for them by going to the phone Institutions > Software update menu.