Cupertino-based Apple is gearing up for the launch of a new iPhone model, one that would add global connectivity into the mix, along with a wide range of other enhancement, yet it seems that sales of their latest model, the iPhone 4, are still high at wireless carriers in the United Stares.
To be more precise, the handset reportedly performs better than any other smartphone at AT&T and Verizon, the only two carriers that sell the iPhone 4 in the country.
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