To create a support ticket. Explain your issue to SIMON, the ? comment bubble in the bottom right.
Use as few words as possible to allow the BOT to understand you better. Answer his questions until you get to here:
Click on "Submit a ticket" and the Moderator team will take over your case and respond to your concern within 48 hours. May take longer, but the promise of the new Ticketing System was that it will reduce these wait times.
Monday to Friday: 8AM- midnight EST
Saturday and Sunday: 8AM- 10PM EST
Do you have these options on find my device?
If you're 100 percent sure you will NOT able to get your phone back you can do the erase device..
What happens is next time phone is turned on all your stuff will be wiped...do note however doing this means you will not be able to track your phone anymore it will be gone for good.