Physical differences between the S5 and last year's S4 are minimal, for the most part, but one obvious change is the dimpled removable rear cover. It feels similar to the cover on the Note 3, but with a different texture. The S5 also features like a fingerprint and heart rate scanner on the front and back, respectively. The heart rate monitor is used by Samsung's upgraded S Health app, which now contains an exercise coach, pedometer, and integration with other fitness apps.
The Galaxy S5 spec sheet features a 2.5GHz quad-core processor, 5.1-inch display, and 2800mah battery that Samsung claims will best last year's S4 by 20 percent
Nokia X: Introducing the new Nokia X family of devices - the Nokia X, X+ and XL. The Nokia X smartphone family combine Nokia design, build quality and gives you access to the world of Android apps, benefits from signature Nokia experiences including MixRadio and HERE maps, and offers an introduction to Microsoft's most popular services such as Skype, OneDrive and Outlook.com.