The customers are getting cancellation notices with very little explanation. Currently, users are speculating that AT&T could not complete authorization for the iPhone purchase. We would advise you to check your order status at www.apple.com/orderstatus
Has your iPhone order been canceled yet?
We were unable to complete the authorization process for your iPhone
order. As a result, we had to cancel your iPhone order. To complete the
purchase of your iPhone, please visit an Apple Retail Store or an AT&T
company-owned retail store.
To locate an Apple Retail Store near you, please visit