What does it mean to send a short message when the vivo mobile phone is located?

The meaning of sending a short message is to describe it more clearly, and specifically to locate it by what, before asking to send a message. Generally speaking, mobile phone location service is for the owner, not for others. There is no need to send information when positioning.

why do p>36 security guards send short messages to the targeted mobile phone when locating on VIVO mobile phone?

is this 36 anti-theft? Send instructions to operators? Check the real-time location of the mobile phone. The back-positioned mobile phone will not display information, so feel free to use it!