<p>TORONTO (Reuters) - BlackBerry Ltd plans to launch a new tool for business and government customers to manage mobile devices on their networks, part of a drive by the one-time smartphone pioneer to focus on its profitable enterprise or services business.</p><p>The company said on Tuesday it would launch BlackBerry Enterprise Service 12, or BES12, to unify its existing platforms and provide clients with increased flexibility and security.</p><p>Following a decline in popularity of its once iconic devices, BlackBerry is striving to reinvent itself under new Chief Executive John Chen.</p><p>It hopes that focusing on its enterprise business, which has long been a core strength, will help revive its fortunes, as its new line of BlackBerry 10 devices have failed to win back market share from iPhone and Android devices.</p><p><a href="http://www.reuters.com/article/2014/02/25/us-mobile-world-blackberry-enterprise-idUSBREA1O0B820140225">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.theglobeandmail.com/technology/tech-news/blackberry-to-bring-back-function-keys/article17059101/">BlackBerry to bring back function keys to win back former fans</a> (The Globe and Mail)</p><p><a href="http://money.cnn.com/2014/02/25/technology/mobile/blackberry-q20/">BlackBerry unveils new Q20 phone</a> (CNNMoney)</p><p><a href="http://www.cnbc.com/id/101442251">I would take $ 19 billion for BBM: BlackBerry CEO</a> (CNBC.com)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dbT7YjFd6bqaM7M5xuRaZEe_9kYNM&authuser=0&ned=us">741 additional articles.</a></p>