Apple chooses which carrier will deliver your shipment, and some of our shipments require a signature. ... Once your order has prepared for shipment or has shipped, we are unable to change the shipping address. If you are unavailable to provide a signature, Apple offers an easy option for you to receive your package.
Does Apple leave packages at the door?
If you did not pre-sign for your package through Apple, and you were unavailable to provide a signature, the carrier will leave a Delivery Notice on your door after the first delivery attempt.
Do Apple products come in discreet packaging?
Yes, double boxed. In the US (apparently unlike the UK, or maybe it's warehouse-dependent) mine came with cardboard corner spacers that maintained about an inch between the outer (plain brown) box and the inner retail box. The 'sender' is "AI" (Apple, Inc.)