My phone is not showing up on iCloud and I lost it
I signed in on my mom phone to locate my device and it say I can’t locate them
Question marked as
From her iPhone the Apple ID is signed out Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac - Apple Support and you signed in Sign in with your Apple ID - Apple Support with your apple and its password , rather her iPhone and your device should be signed in with same Apple ID and password on the same network and " find my " must be turned as on Set up Find My on your iPhone, iPad, iPod touch, or Mac - Apple Support , it will show your device from her iPhone .
See this article Locate a device in Find My on iPhone - Apple Support