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.

To use Apple CarPlay, your car must support the feature and your iPhone needs to be running iOS 7.1 or higher.

Apple Inc and Verizon Communications on Thursday announced a program in which Verizon will subsidize the replacement of corporate customers' entire fleet of smartphones with any of Apple's iPhone 12 ...