Lance Whitney is a freelance technology writer and trainer and a former IT professional. He's written for Time, CNET, PCMag, and several other publications. He's the author of two tech books--one on ...

Apple has begun offering unlocked, SIM-free iPhone 5S handsets to customers in the US. The company's latest iOS smartphone comes without any carrier attachment starting at $649 (£401) for the 16GB ...

You can get yours on the Apple site, reports engadget. They don’t come cheap and start at $649 for the 16GB. Unlocked and contract free are here.

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 ...