The Galaxy S5 and earlier Galaxy smartphones had replaceable batteries and storage expansion slots. But the new GS6 says goodbye to that flexibility in favor of a sleeker design.
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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 most important things to know when shopping for a cell phone.
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.
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.
In discussion with South Korean journalists, Samsung's JK Shin and Younghee Lee explore the battles ahead for the Galaxy S6 and S6 Edge, both from Apple and China, and deny similarities with the iPhone 6.
On March 9, Apple is widely expected to let us know exactly when its much-anticipated Watch line will ship and how much all the new models will cost. But what other new products might Apple unveil?
And why you may prefer to stick with one color or the other.
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.