There might be a Santa Claus, but regarding the mythical animal known as the universal iPhone: there is none. As noted on Apple's spec page for the iPhone 5, the company will be shipping independent GSM and CDMA models of the new phone to match the LTE frequency bands of carriers worldwide. The iPhone 4S, in contrast, supported all its compatible wireless standards in one device.
There's likely to be some confusion around the iPhone 5 model numbering, since there are three actual hardware configurations but only two model numbers: A1428 and A1429. The singular A1428 model is the AT&T and Canadian GSM phone, with support f
