Apple also stated that iOS 9 has the fastest adoption rate of any iOS version they’ve ever distributed before, with 50% of devices upgraded to the new operating system which was released on Wednesday last week.
In a press release, Apple SVP Phil Schiller said that the new OS is off to an amazing start:
It is also worth noting that Apple is yet to release firm sales numbers for the iPhone 6s and iPhone 6s Plus. This year, Apple has only said that it is on pace to beat last year’s record of 10 million phones sold in the opening weekend. This is leading some speculation that sales are not as strong as normal.