Lost my phone
How can I find my IPhone beside using find my coz when am using it says it's offline since last week till now
Question marked as
If Find My iPhone is offline or not working, read this support article --> If Find My is offline or not working - Apple Support
As for finding it, you'll have to resort to traditional methods for finding lost items. Find My is the only feature Apple offers. Have you tried calling it and seeing if anybody answers (if they do, be careful because you don't know who they are)?
This document 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