AT&T did not disclose how many iPhones it had sold, but said the iPhone 5 was still available for preorder and would go on sale September 21 at AT&T retail stores.

　　All the phones carriers, including Verizon Communications Inc and Sprint Nextel Corp, showed delays of up to three weeks in shipping the phone.

　　European carriers also reported brisk sales. France Telecom's Orange said bookings for the new phone "have been very strong, breaking the records of what we saw for the iPhone 4 or 4S." But the carrier said it could deliver preorders on time.

　　Analysts have forecast that Apple will have sold more than 30 million iPhones, including older models, by the end of September.