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The device, however, is still, "currently unavailable for order or in-store pickup," via the Apple Store. Nevertheless, its appearance within the Apple Store app indicates that the device's availability may be imminent.
Apple has been deflecting questions on the availability of the white iPhone 4, since the device launched this summer. The company has stated only, “they will not be available until later this year.” So if you've been waiting to send e-mails tagged, "Sent from my white iPhone 4," it looks like your wait is almost over.