iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
iPhone Launch Gives T-Mobile USA 'One of Its Biggest Weekends'
Sievert has now followed up with CNET, and while he declined to share any specific sales numbers, he noted that the iPhone launch had given T-Mobile "one of its biggest weekends in the history of the company".
Sievert told CNET that iPhone sales did better than he expected, although he declined to provide specific figures.With the addition of T-Mobile, all four of the major U.S. carriers now offer the iPhone. Counting smaller carriers, the iPhone is now available on 22 carriers in the United States.
"We had really ambitious internal goals, and we beat them," he said.