Buying a used iPhone can be tricky -- here's what to watch out for.
It may not be state-of-the-art by today's standards, but this unlocked Nexus 5 is still a premium smartphone -- now at an entry-level price.
Short version: it took me about 20 minutes to knock about 25 percent off my monthly bill. Plus: Chromebook deal!
The most important things to know when shopping for a cell phone.
The latest test by RootMetrics shows how the big are getting better. But small carriers Sprint and T-Mobile are making solid progress.
The MVNO plans to support unlocked GSM handsets from an unnamed partner in February, but we've deduced that it's T-Mobile.
Samsung's 2013 flagship still flies high today. And you can get no-contract monthly service for $45.
This actress from Hollywood's Golden Age reminds us of a time when women were some of the leading unsung tech innovators.
Kickstarter project ComfortWay Travel Case gives you mobile Internet in over 100 countries for just $2 per day.
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.