The next evolution in wireless networking holds promises of self-driving cars and movies that download in the blink of an eye. 5G is big at this year's Mobile World Congress, but don't expect it until 2020.
The Mobile World Congress event is a vital one for Samsung. Along with the Galaxy S6, we'll be watching for new wearables and a mobile payments system.
The most important things to know when shopping for a cell phone.
And why you may prefer to stick with one color or the other.
With its big-screened iPhone 6 lineup, Apple jumped past Samsung to capture a 20.4 percent share of smartphone sales last quarter, says research firm Gartner.
A curvaceous, eye-catching bend in the Note Edge does a lot more than look like a waterfall of glass. It also hosts alerts, alarms, and menu buttons.
HTC's latest flagship smartphone has an all-new rear camera, but is that a good thing? We tried an early version out in Barcelona with very mixed results.
The Mi Note showcases Xiaomi's top-class potential to the world -- it's just a shame so few outside Asia will get to see it.
Mobile World Congress starts next week in Barcelona. The largest wireless party on the planet, MWC is famous for showcasing new smartphones and wearables that you'll actually be able to buy.
Samsung, battling to hold on to its lead in the smartphone market, needs to win back consumers from Apple with its next big thing. But will the new Galaxy S6 be big enough?