So I bought this iPhone 3GS from ebay 1 week ago, and revived it 3days ago. FIrst thing I know is that it has a front protector cover which is some kind of plastic. I'm going to change it to a ZAGG INVISIBLE SHIELD as this one applied distorts the color. Will the ZAGG shield distort color as well? And second of all, The back cover which is some sort of plastic. I don't need to change this, HOWEVER I can't find where to remove it. It's been so well done that I can't even find the corner of it. I know there is a protector because when comparing the sim card tray and the rest of the back, the back part is a lot more reflective, and the back feels different. Anyone have a trick to find the protector plastic sheet of the back? Because I searched 15minutes for it under a magnifying glass too, no luck.