Samsung's Galaxy S and Note smartphones usually get the most fuss, but it's arguably the Galaxy A series that matters most. These are the affordable phones that you're more likely to see in some parts of the world, and they're what keep the company going. It's a big deal, then, that Samsung just launched 2016 upgrades to the entire Galaxy A line. The 4.7-inch A3, 5.2-inch A5 and 5.5-inch are all sleeker than their ancestors, with narrower bezels and other cues clearly borrowed from the Galaxy S6. However, the real selling point may be shopping. Both the A5 and A7 are the company's first non-flagships to support Samsung Pay -- you no longer need to splurge just to use a Galaxy phone in place of your credit card.