The ownership of productdisposal is taken away from customers and it requires a collection system, process technologies for remanufacturing, recycling and reusing.
That means measuring and reducing the embodied energy of a product throughout the supply chain, from materials extraction to processing to transportation to product use and disposal.
Since the smartphone was meant to be a niche product focused heavily on beautiful design and the best materials at Porsche's disposal, the P'9981 isn't going to be mass-distributed.