title: How to add simulator iPhone XS in Xcode 9.2 also iPhone XS max
body: <p>I need to build my app on an XS device. I am using Xcode 9.2.</p>
  <p>How can I add the XS modal in my Xcode externally?</p>
  <p>In my simulator I have up to iPhone X.</p>
  <pre><code>My machine Version:
  
  OS X version: 10.12.6 (16G29)
  Xcode version: 9.2
  </code></pre>