The company currently focuses on large-scale telecommunications infrastructures, technology development and licensing, and online mapping services. Nokia is also a significant contributor to the mobile telephony industry, having assisted in development of the GSM and LTE standards, and was, for a period, the largest vendor of mobile phones in the world. Nokia's dominance also extended into the smartphone industry through its Symbian platform, but it was soon overshadowed by the growing dominance of Apple's iPhone line and Android devices. Nokia eventually entered into a pact with Microsoft in 2011 to exclusively use its Windows Phone platform on future smartphones.
In September 2013, Microsoft announced that it would acquire Nokia's mobile phone business as part of an overall deal totaling €5.44 billion (US $7.17 billion). Stephen Elop, Nokia's former CEO, and several other executives joined the new Microsoft Mobile subsidiary of Microsoft as part of the deal, which was completed on April 25, 2014. In November 2014, Nokia began to license product designs and technologies to third-party manufacturers, to enable a continued presence for the Nokia brand in the consumer electronics hardware market.
On April 15, 2015, Nokia announced that it would acquire the French telecommunications equipment company Alcatel-Lucent for €15.6 billion.
On June 18, 2015, Nokia's CEO Rajeev Suri revealed that the company plans to re-enter the mobile phone business in 2016
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