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The developer sent the logs to TechCrunch's Robin Wauters, who confirmed on Monday that "a tiny number of people have recently registered for one of their applications from a single, brand new Apple device that is decidedly dual-mode â meaning it supports both CDMA and GSM."
Rumors of a deal between Apple and Qualcomm that would bring the chip maker's dual-carrier chips to the iPhone go as far back as 2009, though one analyst suggested that the resulting handset would not arrive until 2011 at the earliest. Numerous reports have since suggested that Apple's so-called iPhone 5 will be the company's first dual-mode phone.
Even Verizon CEO Fran Shammo has said that the next iPhone will be a "global device" that will put his company on "equal footing" with competing carriers.
According to Monday's report, the developer's app is being tested by "what is almost certainly an iPhone 5" running iOS 5 and holding "two distinct sets of mobile network codes (MNC) / mobile country codes (MCC)," which are used to identify mobile carriers.
"Some registrations for the app â which the developer also asked not to be named â were logged from a new Apple device, using the MNC/MCC codes from both Verizon and AT&T," Wauters wrote.
Apple is expected to release the iPhone 5 within the next six weeks, several months later than the company's usual June or July release in years past. Last week, one report cited "high-level AT&T sources" as saying that the device will launch in early October.