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Original post by: Geo K ,

Text:

The copper foil on the 4th Gen iPhone camera is EMI shielding. Anyone that says it does not affect the functionality of the device is either mildly retarded or just plain stupid. Companies do not put valuable resources into devices for no reason. In this case the copper foil shields the WiFi antenna from electromagnetic interference produced by the cameras internal circuitry. Sure it will work without it but it may knock 100 feet off your WiFi range or just trigger a highly aggressive malignant tumor in your brain stem! lol

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