title: <untitled> download unsuccessful
body: <p>I have a mobile application connected to a web app that let customer download .DAT file after purchase confirmation. The customer is seeing the "Download File" button when clicking it start downloads after 3 secs it gives &lt;untitled> download unsuccessful</p>
  
  <pre><code>&lt;a href="'.$url.'/used/'.$productcode.'" title="order" download&gt;Download File&lt;/a&gt;
  </code></pre>
  
  <p>I've created a static HTML file and open it via Android Browser as a troubleshoot I got the same result</p>
  
  <pre><code>&lt;a href="/file.dat" title="file" download&gt;Download File&lt;/a&gt;
  </code></pre>
  
  <p>&lt;Untitled> Download Unsuccessful</p>
  
  <p>I have added Addtype to .htaccess</p>
  
  <pre><code>Addtype application/octet-stream .dat
  </code></pre>
  
  <p>Also didn't fix the issue.</p>