My device is not showig in icloud

Iphone 15 plus 256gb blue color was stolen on 25th july 2024

And I have enabled lost mode as well and now I could not able to see my device in icloud.

Can you help me to check and let me know when and how the device got unlinked from my account I didn't received any notification as well for the same.

Weather they have crecked the security layer and removed the device from my account or what

Thanks & Regards,

Nirav

[Edited by Moderator]