title: iOS prefs url scheme for touch id & passcode settings
body: <p>there are a lot of lists with prefs urls for the iOS settings app, used to open a specific site in the settings app (e.g. <a href="https://stackoverflow.com/a/8246814/4266294">https://stackoverflow.com/a/8246814/4266294</a>). Unfortunately, I cannot find the url in order to open the touch id &amp; passcode settings.</p>
  
  <p>Does anybody know the url scheme for this?</p>