Most electronics come with a bevy of numbers etched into their frames, stamped on their undersides, and emblazoned onto their boxes. But why? Well, the short answer is that they're needed for model ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

Chances are you haven't spent much time thinking about your Apple device's serial number. Whether you own the benchmark Apple Watch Series 9 or a budget-priced refurbished iPhone, your device's serial ...