Nomophobia

Nomophobia is the proposed name for the fear of being out of contact with a cellular phone. It is a growing modern-day problem that is afflicting those who have gotten used to using cellular phones in their everyday lives.

Empath: The Luckiest Smurf stories
In the EMPATH: The Luckiest Smurf story series, since the creation of the portable telesmurf, Empath had to deal with his fellow Smurfs experiencing nomophobia whenever they had to be without their telesmurfs.