Apple hints of an 'iPhone2.1'

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Although details are evidently still non-existent, Apple has intimated that the next generation of its iPhone smartphone might be known as the iPhone 2.1
A look inside the Apple's iPhone 2.x Firmware has shown developers a clear reference to a hardware model dubbed the "iPhone2.1." The same iPhone 2.x Firmware also describes Apple's original iPhone as the "iPhone1.1" and the current iPhone 3G as the "iPhone1.2."
The leap from 1.x to 2.x nomenclature is seen by some as an indication that the next generation of Apple's smartphone will represent a big upgrade beyond the 3G.