Buzz about the new iPhone — expected to be released in June — has less to do with the phone itself than its use of AT&T’s 3G network. That 3G network, which refers to a third generation of wireless networks, would dramatically improve the performance of some iPhone features, such as Web browsing. Apple’s current iPhone uses AT&T’s EDGE Network, a 2.5G network that undermines some of the device’s most appealing technology — such as the display of full Web pages — because of relatively slow download speeds.
