The Phone book
Do you any other way at that time to tell you someones calling
If they abuse a kid.
That is actually someones phone number, it's in the phone book
open them up and look
Check for a pulse - and/or breathing !
Steal their phone (not reccomended) and tap unblock, or talk things over with them.
Nope. No way to tell. None at all.
Bluetooth or Infra-red
Try Reverse Phone Detective.
Drop it in a toilet.
No, It only show your user id there.
in an accident and when you have been left somewhere and no other way of contacact but by phone
They can tell you a convicted felon that is not related to you cannot live with you.