Phone 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
phone
Poor contact
Check if the plug is fully inserted
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 your
Smartphone
Please set your phone number as a
family or SOS number
