How finde my lost iPhone

You may want to check this article

If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

Apple says:

"Find My is the only way that you can track or locate a lost or missing device. There is no other Apple service that can find, track, or otherwise flag your device for you."

The Complete Guide:

▷ Follow these important steps.

▷ Call 1-800-MY-APPLE.

▷ Learn how to file a claim.

▷ Get Support.

▷ Download the Apple Support app.

Hello,

follow this --> If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

--> Locate a device in Find My iPhone on iCloud.com