Orders are shipped based on the estimate in your order confirmation email. Once an order has been processed you'll receive a second ship confirmation email with your tracking number. It may take 24 hours for the package tracking to return any information for your tracking number.
If you have not received a package tracking number after the time quoted in your order confirmation email, please let us know.
According to our records, your order should ship by the evening of 19-12-2012.
Neuxs 4 backorders: Please note that the above date is based on typical shipment processing and does not apply to Nexus 4 backorders. Nexus 4 backorders are being delivered based on the order in which they were received. If you receive a shipping confirmation email, then you will be able to track your delivery.
For more information on shipping and delivery, please see this article in our help center:
Shipping & delivery - Google Play Help.