Tips for nailing an iPhone app demo during a presentation
medium.com
medium.com
I've been bitten by this during a demo: I still received texts (from a co-worker) even though I had DnD enabled.
[1] http://www.macworld.com/article/2025400/how-to-temporarily-m...
This way you'll avoid the wallpaper, calls, browser history, airplane mode, etc.. it'll be basically always configured for presentation mode, and you can also use it for development and as a backup phone !, fuck me right ?! :D