No Vibrating on Silent on all apps and An Apple Community Since publishing my review, I've tweaked my Action button shortcut to work this way: If the device orientation is face down or portrait upside down, toggle Silent mode. (And when turning Silent Why iPhone May Not Vibrate in Silent Mode and How to Fix It Create Custom Vibrations for Contacts on Your iPhone to Feel Who's Calling or Texting << iOS & iPhone :: Gadget Hacks How to Turn Off Vibration on iPhone How to Get Vibration Over Silent on iPhone & Android Appuals