Get the Samsung Galaxy S9!
The phone should have some protective plastic films on all sides. You should remove them before using the phone.
In almost all regions, the camera lenses are also covered by the plastic film, which must be removed before you take any photos.
In some regions, Samsung does not offer a 1-to-1 exchange if the new phone has
If this is the case in your region, you should power on the phone to test it before leaving the counter.