@messayisto And on the keyboard its in the lower row to the left: tab on the globe icon, hen you'll see the emojis.

@mrt10001 Well, that was my first thought too : I had already attempted to rebuild a clean install from the UT installer when I discovered, and it failed. After reading your message, I decided to go for it one more time. And, for whatever reason, it's working. Nexus is back and in its greatest shape (OTA 24). Thank you for your help!