<p>With incessant reports of impending doom, BlackBerry is in full-fledged damage-control mode, seeking to reassure the public that it is still healthy despite "challenging times."</p><p>The company made an unusual move this week, writing an open letter to its customers that it posted on its website and published in 30 newspapers around the world. In it, BlackBerry said "we don't underestimate the situation" and added that it was "making the difficult changes necessary to strengthen BlackBerry."</p><p>But technology analysts and even some long-time BlackBerry fans aren't buying it.</p><p>"The future is very uncertain," said Amitabh Passi, senior research analyst at UBS. "I still remain fairly skeptical of the long-term prognosis of the company."</p><p><a href="http://www.latimes.com/business/la-fi-blackberry-future-20131019,0,5775317.story">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.dailyfinance.com/2013/10/19/blackberry-gets-personal/">BlackBerry Gets Personal</a> (DailyFinance)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dwTApv43AY58GUMbvu2C1_XSwjMrM&ned=us">2 additional articles.</a></p>