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.
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?
The most important things to know when shopping for a cell phone.
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.
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.
Xiaomi launches the Yi Action Camera with a spec sheet to match GoPro's entry-level camera and two-digit price tag.
It's far from pocketable, but the P900's ludicrous 24-2,000mm-equivalent zoom range will make sure you get those bird, building, moon or sports shots.
After hearing from consumers, the company says it's planning to make design improvements to its Elements diapers.
At Mobile World Congress 2015, Samsung unveiled its newest smartphones, the Galaxy S6 and Galaxy S6 Edge, and they're packing tons of new features. Check out the top moments from the event here.