“From a production standpoint, it appears that the metal antenna band is molded into the metal backplates. We assume this is Apple’s way of creating a unibody enclosure for mobile devices. Apple introduced unibody notebooks in late 2008, and the purpose of the unibody is to allow Apple to produce thinner and lighter, yet stronger, devices,” Gurman reports. “Now that most of the phone’s external elements are one piece, Apple is likely able to squeeze more into the iPhone internally. Apple needs all the space they can get with their plans of producing LTE smartphones with proper battery life.”
More info and photos in the full article here.