Find my iPhone 14 pro max
Why isn’t it updating anymore? How can I locate my stolen phone?
Question marked as
This support article has a list of things to do if your iPhone, iPad, or iPod touch is lost or stolen. --> If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support
It may have been turned off or is in a location where it cannot get a signal.
If Find My iPhone is offline or not working, read this Apple Support article to get help; e.g., when you don't see your device listed, or you see an unexpected device or an alert that says your device is offline. --> If Find My is offline or not working - Apple Support