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

iPhones are great at many things, but saving mobile data isn't one of them. If you often run out of data, here are a few key settings you should change to reduce how much data your phone uses. The ...

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.