title: How to update android app without uninstalled from device
body: <p>when i try to <strong>update version</strong> in my android app to <strong>own site</strong>. The problem will be occured during the installation. that's</p>
  
  <blockquote>
    <p>App not installed </p>
    
    <p>An Existing package by the same name with a conflicting is already
    installed.</p>
  </blockquote>
  
  <p>Can any one help how to download updated app without uninstall.</p>
  
  <p>Thanks in advance.</p>