<p>Faced with mounting losses and unsold inventory, struggling smartphone maker BlackBerry has sold its US office in Texas to Brookfield Property Group as it seeks to rationalise costs.</p><p>Financial details of the transaction were not disclosed.</p><p>"We can confirm that Brookfield Property Group has purchased BlackBerry's Irving, Texas campus property.</p><p>BlackBerry will continue to be a tenant on the campus," a BlackBerry spokesperson told PTI.</p><p><a href="http://gadgets.ndtv.com/others/news/struggling-blackberry-sells-its-us-office-496092">Keep reading...</a></p>