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.
That's just plain wrong, because putting any small speaker down there forfeits a major share of its sound quality.
We have seen the future and it includes an iris-scanning smartphone and luggage that can weigh itself. Check out the rest of the impressive tech from day two of Mobile World Congress 2015.
Technically Incorrect: With less superfluous software and more emphasis on design, some might wonder whether Samsung's new phone is a little too similar to the iPhone. Will that make marketing it easier?
Is Samsung afraid to commit to one Galaxy S6? The two new models are the same, except for the screen -- and both remove features fans loved. Meanwhile, HTC shows off the Grip fitness band and Vive VR headset.
With support for 3G, 4G and 4G+ networks, these affordable mobile hotspots let up to 32 devices connect at the same time.
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Researchers have achieved the first ever pictorial evidence that light can simultaneously behave as a particle and as a wave.
With 4G+, 4G, and 3G models, these Wi-Fi Link hotspots from Alcatel keep you connected.
Samsung's rival to Apple Pay puts your credit card information on your smartphone, letting you securely buy things with a swipe of your thumb and a tap of your finger.