Losing track of your own phone number is disconcerting. It’s also something that happens frequently enough. Human memory is imperfect anyway. Making it an issue for just about everybody at some point.

Alan is an experienced culture, commerce, and tech author with a background in newspaper reporting. His work has appeared in Rolling Stone, Paste Magazine, The Escapist, ESPN, PC Gamer, and a ...

Your Android phone’s serial number is a unique identifier that can be used to track your phone if it is lost or stolen. It can also be used to register your phone with your carrier or manufacturer, to ...

The IMEI (International Mobile Equipment Identity) number is a 15-digit unique identifier for all cell phones. It is used to identify the phone and the manufacturer and whether it is original or ...