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"BlackBerry has published an open letter reassuring its customers that it is working to reverse its fortunes. The struggling smartphone maker admitted that there are testing times ahead, but it is making the &amp;quot;difficult changes necessary&amp;quot; to improve its market position.  &amp;quot;These are no doubt challenging times for us and we don&amp;#039;t underestimate the situation or ignore the challenges,&amp;quot; the company said. &amp;quot;We are making the difficult changes necessary to strengthen BlackBerry.&amp;quot; The letter comes days after market analyst Gartner advised business users to turn to BlackBerry&amp;#039;s rivals based on the current market conditions. BlackBerry announced its second quarter financial results last month, revealing that it lost $965 million (\u00A3600 million) in just 90 days, partly due to below par sales of the Z10. The Canadian firm insists that restructuring measures will reduce operating costs by half, and claims to have &amp;quot;substantial cash on hand and a balance sheet that is debt free&amp;quot;. However, analysts have warned that its cash reserves could all but disappear within two quarters unless the situation improves. BlackBerry launched its new flagship handset, the BlackBerry Z30, last month. Watch a video introducing the BlackBerry Z30 below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tech/news/a523714/blackberry-moves-to-reassure-customers-we-are-making-changes/>