User manual

7 Trouble shooting
If there is any problem while operating the terminal, please refer to the following table, or
contact your supplier.
Common problems
Causes
Solution
Bad reception
Near the tall building or in the basement
Change to a place with good signal
The terminal cannot be
turned on
No battery power
Change a new battery
Cannot connect to the network
SIM card is not inserted correctly
Check the SIM card
The sheet mental of SIM card is
Dusty
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
①restart the terminal
②contact with your supplier
It is not a SOS number
set SOS number