Samsung Galaxy S 6 and S 6 Edge: What you need to know

Today at the Mobile World Congress trade show in Barcelona, Samsung unveiled the latest version of its flagship smart phone, the Galaxy S 6. We got a sneak peek at the new device, as well as its curvier sibling, the Samsung Galaxy S 6 Edge, a few weeks ago at Consumer Reports headquarters. The new Samsung Galaxy S 6 ditches the “plasticy” look and feel of earlier models for a sleeker glass/aluminum case, a higher-resolution display, and a multitude of charging options. The Edge has mostly the same specs as the S 6, but its screen curves away from the viewer on the right and left side, giving the phone a tapered look along its edges.

Screen shapes aside, the flagship Galaxy S 6 and its curvaceous twin are quite similar to each other. Their fronts and backs are made of ultra-tough Corning Gorilla Glass 4 held together by a polished aluminum edge that Samsung says aids in the phone’s rigidity. This is reminiscent of the old Apple iPhone 4, which also had a glass front and back—and earned a reputation for cracking easily. Samsung says it has conducted drop tests to ensure that its phones won't have this problem.

Samsung says the large glass surfaces allow for better antenna placement. We also suspect the phones’ glass back also were necessary for allowing these phones to support wireless charging out of the box—a cool thing no iPhone can do. Samsung also reworked its fingerprint scanner to operate with a touch rather than a swipe, similar to the way iPhone's Touch ID works. Samsung says this will provide a more sure-handed experience in authorizing purchases and unlocking the phone screen.

In another move that brings the new Galaxies closer to the iPhone, Samsung says it’s launching its own payment system that will work with NFC technology—just like Apple Pay. The new system will also work with the new LoopPay's MST (Magnetic Secure Transmission).

Perhaps the most notable thing about these new Samsungs is what they lost in their quest to become more iPhone-like. New S 6s have non-removable batteries and no memory-expansion slots. That means Galaxy S 6 owners will have to bring their phone to a service center to replace the battery, or buy a more expensive version of the phone if more on-board storage is needed (The phones will be sold in 32GB, 64GB, and 128GB sizes—just like iPhones). Time didn’t permit us to test this, but we think these models may have lost some of the gesture controls we were fond of on earlier models.

Also, these new Galaxies are not water-resistant, unlike their Galaxy S 5 predecessor, so you’d better hold on to them tightly when you’re near a sink, puddle, or pool.