Report: New thinner iPhone will have longer 4 inch screen, metallic backside and small round dock connector

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Earlier this year, leading up to the new iPad launch, iLounge editor Jeremy Horwitz claimed to have held the new device, and then he reported a few of the features that would ultimately launch with the third-gen iPad in March (and some that would not). Today, Horwitz claimed to have new details on the next-generation iPhone. He reported the device would sport a longer 4-inch screen, metallic backside, and smaller and rounded dock connector.

The majority of Horwitz’s specs mirror our report from March 2011 about the iPhone 5 prototypes spotted with metal backs, larger displays, and the overall iPhone 4 design.

The first of his claims: As rumored, the new iPhone will be “longer and thinner” than iPhone 4 and 4S, and it will sport the following changes to its physical design:

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