How to Fix iMessage Not Showing Message Effects in iOS 10
 

iMessage got a huge update in iOS 10, adding things like third-party app integration, rich links, and a number of fun graphical effects for messages. If you’re seeing messages that say something like “(sent with Invisible Ink)” instead of seeing the actual Invisible Ink effect, we’ve got a couple of fixes for you to try.

http://www.howtogeek.com/271781/how-...cts-in-ios-10/