chromium/ui/file_manager/file_manager/foreground/images/volumes/phone.svg

<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20">
  <path d="M14 1.01L6 1c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V3c0-1.1-.9-1.99-2-1.99zM14 17H6v-1h8v1zm0-3H6V6h8v8zM6 4V3h8v1H6z"/>
</svg>