Nearly 48 million iPhone units sold during 2012's fourth quarter, alongside sales of 22.9 million iPad units.
During its fourth quarter earnings call, Apple announced that it has sold over half a billion iOS devices.
It was during the June of 2012 when Apple said its iOS device sales was more than 400 million. During last year's fourth quarter, Apple sold 10 iOS devices every second. 75 million iOS devices, which consists of the iPod, iPhone and iPad, were sold during the quarter.
Apple sold 47.8 million iPhones during the quarter, an increase from the 37 million it sold in the same quarter in 2011. Sales of the iPad, meanwhile, stood at 22.9 million, while the iPod sold 12.7 million units.
Revenue increased by 18 percent to $54.5 billion, while net profit remained unchanged from a year ago with the company, which saw its share prices drop after its Q4 earnings report, generating $13.1 billion.