I have confirmed that it shows status as backordered. Due to massive volume of pre-orders, availability of our iPhones is currently on the works. You don't have to worry; we are frequently communicating with Apple to have sufficient devices available to cater with our consumers' demand. We will immediately send the text for status and tracking number as soon as shipment is initiated.
Due to the high demand of the XXXX, some of the orders are now backordered. The good news is that you are being prioritized and that is why you received the message that you will get your phone between XXXX. Rest assured that you will receive another message once your order ships out with the tracking information.
These phones have been incredibly popular and is currently in a back order situation. Your order is a priority for us and we've been working hard to ship your phone the soonest time possible. At this point though, we are awaiting more shipments from [MAKER].
As soon as it gets to us, we'll get it to you! Keep an eye on the order status link here for updated shipping timelines http://explore.t-mobile.com/order-status It will be worth the wait, I promise! We'll get this out to you as fast as we can!