ZTC MOBILE
86
Unable to
turn on the
phone
The battery is used up.
Look at the remaining electricity or
recharge.
SIM card
malfunction
SIM card is damaged.
Contact your network service
operator.
SIM card is not properly inserted.
Check whether SIM card is properly
inserted.
There is a feculency substance on the
metal surface of the SIM card.
Wipe the metal touch part of SIM card
with clean cloth.
Unable to
connect with
the network
Expired SIM card
Contact your network operator.
Outside the GSM service area
Consult your network operator on the
service area.
Poor signal.
Please move to a place with a better
signal and try again.
Unable to
make a call
Using the call bar function
Cancel the call bar function.
Using the fixed dialling function.
Cancel the fixed call setting.
Incorrect
PIN number
Continuously enter the wrong
password three times.
Contact your network operator.
Unable to
charge
Battery or charger is damaged.
Change a new battery or charger.
Recharging in the environment of less
than -10
℃
or higher than 55
℃
.
Improve the charging environment.
