Microsoft has announced a 57% year-on-year decline in Lumia smartphone sales in its recent quarterly earnings call.
The company bought the smartphone business from Nokia for $7.2 billion in 2013, but is struggling to make a success of it.
It sold 4.5 million devices during Q4 2015, down from 10.5 million in Q4 2014, and phone revenue declined by $1.2 billion (53%).
What’s worse is that the company has told analysts to expect a similar decrease in revenue in the coming quarter.
The news from Microsoft has lead to predictions of the imminent demise of Windows Phone.
As The Verge pointed out, Microsoft and Nokia have sold a total of 110 million Windows Phones since the end of 2011, compared to 4.5 billion iOS and Android phones in the same period.
To illustrate the rapid descent, venture capitalist Benedict Evans posted the following graph, based on sales figures from Nokia and Microsoft, number to twitter: