Apple has officially announced that the iPhone 4S pre-orders hit 1,000,000 units in the first 24 hours. The iPhone 4S is now Apple’s most-selling iPhone ever since the iPhone 4 reached 600,000 pre-orders in the first launch day.

Isn’t that the disappointing iPhone 4S? Well, it looks like the iPhone 4S is the best iPhone yet. AT&T alone sold 200,000 units in the first 12 hours.

Here’s the important part of the press release:

We are blown away with the incredible customer response to iPhone 4S. The first day pre-orders for iPhone 4S have been the most for any new product that Apple has ever launched and we are thrilled that customers love iPhone 4S as much as we do.

iPhone 4S is currently available on Apple’s online store and it’s shipping in 1 – 2 weeks. Apple’s iPhone 4S will be available through all of the 245 Apple Retail stores on Friday, October 14th, 8:00 AM.