the "find my iphone" option is not working. is there anything else that can be done?

Click on this link for general information about what to do "If your iPhone, iPad, or iPod touch is lost or stolen" --> https://support.apple.com/HT201472

- The Find My service is the only recovery feature Apple offers. It MUST be set up before the device is lost. If you did not do that it is too late to do it now and there is no other feature Apple offers that can help you find it.

Click on this link to learn what you can do 'If Find My iPhone or Find My iPad isn't enabled on your missing device' --> https://support.apple.com/HT211207

If Find My iPhone is offline or not working' click on the link to 'Get help when you don't see your device listed, or you see an unexpected device or an alert that says your device is offline.' --> https://support.apple.com/HT204233