So my friend claims to have an iPhone 4, but it has the body and cell antennas of an iPhone 4S. It doesn't have Siri. Strangely, the back of her phone also doesn't include any of the FCC logos or anything like that, just the word iPhone and the two lines of serial numbers below it. She claims that everything is original and that she bought it at radioshack. It's on the Verizon network if that has anything to do with it.