I'm not super knowledgeable about the iPhone but are you saying you have a 4G signal on your 3GS and are going to upgrade to the iPhone 4?
People get confused when you start throwing Gs around and talking about cellphones. Much easier to use Gen (for generation) when talking about handsets and stick to G for network capability.
Well at least for me it is.
iPhones are not on a 4G network (yet). He's talking about the 4th Gen software.
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