nani167 Said:
"Missing device but that location is based on iPhone power on only but ofter iphone switch off… what next"
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You need to find this manually, and that's the best you can go from here. :) ...
Find My is Not an Option:
A. Backtrack your Locations:
Do it the olde fashioned way and backtrack your locations. For instance, if you were at a retail store, then stop in, asking the store manger if it was placed aside.
B. Lost-&-Found:
Chick with the Lost & Found department of the facility you were in, seeing if it has been handed over.
C. Contact Local Authorities:
See if the community police, or local security guards at the front door, can across it.
D. Use Craigslist:
Put a post on Craigslist, seeing if they have been found.
E. Go Here: If your iPhone, iPad, or iPod touch is Lost or Stolen - Apple Support