iphone
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How international is the iPhone 4S 'world phone?' One of the most interesting wrinkles in the iPhone 4S—which I review at length elsewhere —is its status as a “world phone.” Unlike previous generations, it supports both CDMA (Verizon, Sprint) and GSM (AT&T, the rest of the world) wireless technology right out of the box. But there are some interesting quirks to this product that may please savvy international travelers.