The most important things to know when shopping for a cell phone.
Mobile World Congress 2015
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.
Samsung goes after Apple Pay with its own payment system called Samsung Pay.
With its big-screened iPhone 6 lineup, Apple jumped past Samsung to capture a 20.4 percent share of smartphone sales last quarter, says research firm Gartner.
PayPal announces acquisition of mobile-wallet maker, while Google unveils another mobile-payments service, in the growing fight for a piece of the smartphone payments market.
The deal also means iPhone 6 users will be able to use Apple Pay to take a bite out of their favorite Subway sandwich.
Now available in the iPhone 6, iPhone 6 Plus and Apple Watch, NFC is poised to play an important role in the way we use our phones, especially when it comes to mobile payments. Here's how it works.
Wired reports a mobile-payments platform powered by near-field communication is coming to the next iPhone, backing up similar stories last month.
The Korean electronics giant believes its technology will allow people to pay with their smartphone in more places.
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.