This article explains how to set up Find My (or its predecessor Find My iPhone) on your iPhone, iPad, or iPod Touch using iOS (or iPadOS) 13 or newer. Expert Tip: Note Earlier versions of iOS ...

Note that erasing your device cannot be undone. By following these steps, you can effectively use Siri to find your lost iPhone or iPad, making the process much simpler and less stressful.

Whether your iPhone isn't showing up in the Find My app, its location isn't updating, or the device appears offline, there's no need to panic.