User's Manual
10
Press cover and close
Note:
●Please cut off the power before installing or
uninstalling SIM card.
●SIM card should have GPRS/WCDMA function,
open it’s network through operator.
●SIM card should open Caller Identification function
for telephone querying.
●If you enable the PIN code of the SIM card,
please use your mobile phone to disable the PIN
code.
●Please make sure SIM card has sufficient
balance.
Ⅳ. Device Installation
4.1 Install device
4.1.1 Please install device concealed by
professional person










