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good, please
temporarily shut off
your phone.
Need to change
battery.
Insert a new battery.
When you cannot
receive signals, your
cellular phone will
continue to send to find
a basis. A lot of battery
power is used, so as to
limit idle time.
Please move to an
area where the
signal is strong or
temporarily turn off
your phone.
Cannot switch
on
Battery is drained.
Check battery
volume or charge
battery.
Wrong SIM
card
SIM card is damaged.
Contact your
operator.
SIM card is not inserted
properly.
Make sure SIM card
is inserted properly.
Dirt on metal side of
SIM card.
Wipe metal point of
SIM card with a
clean cloth.
Cannot connect
to network
SIM card is unusable
Contact your
operator.
Out of GSM service
area.
Request service
area to operator.
Feeble signal.
Please move to an
area where signal is
stronger and try
again.
Cannot call
Call barring is activated
Cancel call barring
Wrong PIN
code
Entered the wrong PIN
code three times.
Contact your
operator.
Cannot charge
Battery or charger is
damaged.
Change battery or
charger.
Charge in area where
the temperature is
lower than 0
℃
or
higher than 40
℃
.
Change charging
environment.
Bad connection
Check the
connection between
the phone and the
charger.
Cannot add
contact
Contacts memory is
full.
Delete some
contacts.
Cannot set
some functions
Operator does not
support the function or
you have not applied
the function.
Contact your
operator.