title: How to open native files app in ios?
body: <p>How do i open the native files app of ios using url scheme or some other way ? 
  I tried searching url scheme but had no luck.</p>
  
  <p>There seems to be no answer to this question there is thread open for this question in apples forum but it is still unanswered.
  <a href="https://forums.developer.apple.com/message/257860#257860" rel="noreferrer">https://forums.developer.apple.com/message/257860#257860</a>
  Can it be done using the bundle identifier ?</p>