Apple published a press release this morning confirming that the iPhone 6s and 6s Plus will be available in retail stores at 8 AM on Friday, September 25. In the press release, the company also announced that iOS 9 has been installed on 50% of active iOS devices:

Apple also announced the fastest iOS adoption ever, with more than 50 percent of devices already using iOS 9.

And:

“Customer response to the iPhone 6s and iPhone 6s Plus has been incredibly positive, we can’t wait to get our most advanced iPhones ever into customers’ hands starting this Friday,” said Philip Schiller, Apple’s senior vice president of Worldwide Marketing. “iOS 9 is also off to an amazing start, on pace to be downloaded by more users than any other software release in Apple’s history.”

The numbers are based on App Store stats as measured on September 19 – three days after the launch of iOS 9. While the adoption rate will slow down in the next few weeks, this is an impressive result regardless and it shows that Apple’s focus on making updates smaller in size and easier to install is paying off.