To ping your iPhone from an Apple Watch, swipe up from the watch face to access the Control Center and tap the Ping button (phone icon). This will make your iPhone emit a sound, helping you locate it.

You’ve always been able to ping your missing iPhone from your Apple Watch. Now with iOS 17, the iPhone can easily return the favor. Pinging your iPhone from the Apple Watch is simple. Click the side ...

For some time now, it's been possible to ping your misplaced iPhone with your Apple Watch. Beginning in iOS 17, currently in beta, you can now do the reverse and ping your Apple Watch with your iPhone ...