Some manufacturers sold PET sheets that users cut themselves to fit their phones ... moving their finger across the screen. Sometimes an impact would dent the protector, but it was elastic ...

That's where a screen protector comes in. These accessories provide an additional layer of protection for your phone and can help prevent unwanted scratches and cracks. With so many options ...

The phone has the usual battery ... a special factory-installed protective layer to keep it safe. Citing this apparently permanent screen protector, Samsung's basically implying you don't need ...