User's Manual

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31
properly
SIM card gold contact
points interface is dirty
Use a clean cloth to
clean the SIM card
gold contact points.
Can not
connect to
internet
Invalid SIM card Contact with you
network provider
Out of GSM service Check the service
The signal is to weak Try again in a strong
area
Can not
make a call
Using the call limit
function
Cancel call limit
settings
Using the fixed dial
function
Cancel fixed dial
settings
PIN error Continue to enter the PIN
code error three times
Contact with you
network provider
about the service
area
Battery can
not be
charged
Battery or charger broken Change the battery
or charger
Charging below -10℃ or
higher than 45℃
environment
Change the charging
environment
Bad contact Check the plug is
connected properly
Can not add
the contact
Phone book storage
capacity is full
Delete some
contacts
Can not
setup some
functions
ISPs do not support this
function, or you do not
apply for this function.
Contact with you
network provider