In spite of Microsoft's explanation at the revealing of Windows Phone 8.1, that the new form of the OS helps Miracast, Belfiore's tweet uncovered that certain fittings necessities need on most Windows Phone 8 models. That implies that considerably after the upgrade, these telephones won't have the capacity to run Miracast.
As stated by Belfiore, who heads up the Windows Phone amass, the Nokia Lumia 1520 phablet could be the main Windows Phone demonstrate that will run Miracast. Of the two new models that have been reported by Nokia, the Nokia Lumia 930 meets the equipment prerequisites for the screencasting administration. That unit will have Windows Phone 8.1 introduced out of the container.
Pushing ahead, we might anticipate that Microsoft will discharge Windows Phone handsets with the fundamental equipment necessities to make them perfect with Miracast. The engineering permits cell phone clients to reflect the screen on their gadget onto a TV screen, sans wires.