The "could not activate cellular data network" error means your iPhone won't be able to use the mobile data you're paying for ...

Sometimes I think I just don’t get some of the major business models. Here’s how I see the model the major cellular phone/mobile data carriers in the U.S. are using: You develop a service; you heavily ...

Has cellular technology hit a brick wall? Is 3G the last cellular-only service that will be offered to the public? Impossible, you say. Technology never stands still. Well, that’s what you think.