Apple today quickly exhausted its pre-order supply of the larger iPhone 6 Plus as the company bungled an online effort for the second time this week.

As of 9 a.m. ET, the iPhone 6 Plus, the model with a 5.5-in. display, was listed on Apple’s U.S. online store as shipping three to four weeks after ordering. The iPhone 6, which boasts a 4.7-in. screen and is the more direct successor to the iPhone 5S, remained in stock, at least on the Apple store, with deliveries promised by Sept. 19, a week from today, when the new smartphones go on sale in the U.S. and several other countries.

Short supplies are nothing new for Apple and its iPhone at on-sale launch, and even more so when it offers pre-orders. In 2012, for example, the then-new iPhone 5 sold out in about an hour. Last year was abnormal, in that Apple did not offer the more-appealing iPhone 5S for pre-order, only the less-expensive iPhone 5C, which sold poorly at the beginning.

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