Protective Plastic Covering

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http://forums.androidcentral.com – I know this is a strange question. I just got my S4 today and am setting it up. The phone lens on the back looks a bit scratchy on the edges. I can't tell if there is protective plastic covering it other than the full body piece that I pulled off. I tried swiping my nail along the edge and there was nothing and don't want to keep picking at it so I thought I would ask. Thanks in advance. (HowTos)