You can activate a new or used iPhone for use with a cellular service provider in a few steps. Here's how to activate any iPhone, or troubleshoot it.

G will finally get its U.S. closeup with the expected debut of Apple Inc's next iPhone on Tuesday. But the blazing speeds promised will not materialize for most people.

Navigate to a place on your iPhone where you can see the Maps app icon, like the results of a Spotlight Search . Long-press ...