Find My iPhone is a built-in feature on Apple devices that allows you to locate your lost or stolen iPhone, iPad, Mac, or Apple Watch. This feature uses the device's GPS, Wi-Fi, and cellular data to pinpoint its exact location on a map. In addition to locating your device, Find My iPhone also offers other useful features such as remotely locking your device, displaying a custom message on the screen, and even erasing all the data on your device to protect your privacy. This article will guide you through the steps to use Find My iPhone effectively and increase your chances of recovering your lost or stolen device.