6. Trouble shooting
Common problems
Causes
Solutions
Bad reception
Radio waves cannot communicate
with device when it is used in a
poor signal area, like a basement
or near tall buildings.
Go to a place with strong signal
Network is busy in high usage
times.
Try your call again later
Device fails to turn
on
No power
Charge battery
Calls fail to get
through
Make sure you have set the
family and White List Numbers.
Set family and White List numbers
Device fails to
connect to the
network
SIM card installed incorrectly
Check the SIM card
The contacts on the SIM card are
dusty
Clean SIM card contacts
Invalid SIM card
Contact your service provider
Out of GSM service area
Move back to the GSM service
covered area.
Weak signal
Try again in a strong signal area
Device fails to charge
Voltage is out of charging range
of charger.
Change to the proper voltage
Use non-standard charger
Use the charger included with your
device
Poor contact
Check if the plug is in.
Fail to check location
information
SIM card does not support GPRS
functions
Contact your service provider
Reply “not receiving data, please
try again” all the time
Contact your service provider
Cannot check from you cellphone
Please set your phone number as a
family or SOS number
