The iPhone 5S beats Samsung Galaxy S4 as the best selling phone in the United States. The iPhone 5S is doing good too. The iPhone has been for a long time the best-selling phone on AT&T, but Samsung Galaxy S4 was leading at Verizon, T-Mobile and Sprint, but not anymore.
In the U.S., the iPhone 5S and iPhone 5C both are in the top three of best selling smartphones. For a long time the list was leaded by Samsung devices. Especially the iPhone 5S scores well, the Apple device sells for U.S. providers all the best and doing it since the appearance of the phone in september. The rankings for the past four months can be seen below.