If the finish has been marked and can't be removed by a microfiber cloth ,then unfortunately you might not be able to.
This is one of the reasons I use a case to protect the phone. Some use clear cases to be able to showcase the phone's colour.
If i can be of any further help please don't hesitate to ask 😎
Daily Driver > Samsung Galaxy s²⁵ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
