<i>Microsoft only sold 4.5 million Lumia devices in the recent quarter, compared to 10.5 million at the same time last year. That&#x27;s a massive 57 percent drop. Even a 57 percent increase wouldn&#x27;t be enough to save Windows Phone right now.</i><p>Of course not. It would need a 133% increase to get back to the old quarter&#x27;s numbers. :&gt;