Cannot connect to the
network
SIM card is not inserted
correctly
Check the SIM card
The sheet mental of SIM
card isdusty
Wipe it clean
Invalid SIM card
Contact your SIM card
operator
Out of GSM service area
Move back to the GSM
service covered area.
Weak signal
Try again in a strong signal
area
Cannot charge
Voltage is out of charging
range of the charger
Change to the proper voltage
Poor contact Check if the plug is in
Cannot check
address information
GPRS function is not
activated
Please contact the SIM card
operator to activate GPRS
Cannot get the position data
①
restart the terminal
②
contact with your supplier
It is not a SOS number set SOS number
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