Microsoft is the latest to admit its bet on the smartphone business has been a bust.


Microsoft $MSFT is the latest to admit its bet on the smartphone business has been a bust.
Today, the company announced it would take a $7.6 billion impairment charge related to its 2013 acquisition of Nokia—a $7.9 billion deal when it closed—plus a roughly $800 million restructuring charge. (Nokia was worth $115 billion when Apple $AAPL’s iPhone launched in 2007.)
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But it’s hardly the only company that has lost money or market value—many to the tune of billions—trying to chase the iPhone, which turned the wireless industry upside down with revolutionary hardware and software.
Why bother? Because the smartphone business, when you’re on the winning side, can be a great one.
Apple has generated more than $450 billion in iPhone revenue so far, and its market value has soared from about $100 billion when the iPhone launched to around $730 billion now. Samsung Electronics’ market cap has nearly doubled over that span, too. And Chinese upstart Xiaomi—which many see as a serious contender in the Android market—raised financing at a $45 billion valuation last year.