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 ...

For most models of iPhone, figuring out how to find the serial number is as simple as opening the Settings app. For older models, it's on the SIM tray or the back of the phone. If you can't turn on ...

You may well go your entire life not needing to know the serial number of your computer, phone, or other device. On the other hand, if a time comes when your device needs to be repaired, replaced, or ...

Brendan is a freelance writer and content creator from Portland, OR. He covers tech and gaming for Lifehacker, and has also written for Digital Trends, EGM, Business Insider, IGN, and more. Apple is ...