It said that it took over 600,000 pre-orders – and claimed that the was the largest number ever.
That, it said, resulted “in many order and approval system malfunctions”.
Apple said: “Many customers were turned away or abandoned the process in frustration. We apologise to everyone who encountered difficulties.”
It wants those punters to either try again or visit an Apple store when the iPhone 4 is in stock.
AT&T put the clampers on the ordering system too and claimed that it couldn’t fulfil demand because it didn’t have enough stock to meet demand for the gadget.