Source: Nokia Press - Press Releases - April 21, 2014 

Nokia expects the sale of substantially all of its Devices & Services business to Microsoft to close on April 25, 2014

Espoo, Finland - Nokia today announced that it expects the transaction whereby the company will sell substantially all of its Devices & Services business to Microsoft to close on April 25, 2014. The transaction is now subject only to certain customary closing conditions.
The transaction was originally announced on September 3, 2013.