Is the iPhone 4 a 3G or 4G Phone?

-The iPhone is a 3G phone NOT A 4G.

-Despite the '4', both Verizon and AT&T iPhones run on a 3G network.

-The iPhone 4 is not a 4G phone, the networks have a 3G conectivity.

-None of the iPhones can have 4G conection.