Eh, I would consider the phones to theoretically be version 1.0 (first gen), 1.5 (3g), 1.6 (3gs) and the iPhone 4 is 2.0. Avoiding "dot oh" releases is a common

Eh, I would consider the phones to theoretically be version 1.0 (first gen), 1.5 (3g), 1.6 (3gs) and the iPhone 4 is 2.0. Avoiding "dot oh" releases is a common thing regardless of manufacturer.