To start things off with a bang, the iPhone 6 is powered by an Apple A8 processor, which is 25 percent faster than the iPhone 5S’s A7. The A8 is also 50 percent more energy efficient, and has 50 ...

Will my Verizon iPhone 5S work on AT&T? That's a question asked by one Ask Maggie reader confused by the puzzling state of device interoperability. This week's column tackles the issue. Marguerite ...