Apple just released the iOS 4.3 to developers, and the multi-touch gestures is introduce to the iOS 4.3.It has has brought new surprises.Considering the current iPhone 4 is 3,1 for AT&T and 3,2 for Verizon, there is now a 3,3. Its likely that the new iPhone models represent the GSM and CDMA version of the device and the three new iPad models are WiFi, GSM, and CDMA variants.
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According to Engadget:
If you dig far enough into iOS’s code, you’ll eventually come across iPhone3,1, which is the AT&T iPhone 4, and the analogous iPhone3,2 (i.e. Verizon iPhone). It’s nothing we haven’t seen before, but then along comes iOS 4.3 with a handful of new mystery identifiers to spurn speculation — namely, two new-generation iPhones (4,1 and 4,2) and three iPads (2,1; 2,2; and 2,3).
Since iPhone3,1 is the identifier for the current GSM iPhone 4, iPhone3,2 will likely be for Verizon’s CDMA-based iPhone.iPhone4,1 and iPhone4,2 most likely refers to next-gen CDMA and GSM iPhones, and iPad2,1, iPad2,2, iPad2,3 refers to next-gen Wi-Fi only, GSM and CDMA iPad 2 models respectively.