A little more than a month since the iPhone 5s and 5c went on sale worldwide, the two devices account for 5.5 percent of all active iPhone devices around the world according to Localytics, though the prior-generation iPhone 5 remains the most popular iPhone by far with a 40 percent share. Much has been written about the head-to-head battle of the iPhone 5s and 5c including our own research from last week that showed that the iPhone 5c is starting to close the gap on its higher-end sibling. Today, the iPhone 5s and 5c now represent 3.8% and 1.7% of all active iPhones globally seen by Localytics. Meanwhile, the iPhone 5 remains the most popular iPhone with a nearly 40% share.With the iPhone 5s outselling the