You're better off (un)dead.
World War Z, easy as 1-2-3.
Video Zombie Phone PrankOctober 21, 2013
"Dude, your phone is haunted, I recommend upgrading to iOS 7".
A zombie movie based on a zombie book, except completely different.
The first stage of infection causes hallucinations, then erratic movements, and lastly, very silly music.