36
Echo or
noise
during the
calls
•
Poor network trunk quality
on the part of your service
provider.
•
Press the ending key and
dial again. You may be
switched to a better-
quality network trunk or
phone line.
Unable to
enter
information
in the
phone
book.
•
The memory of the phone
book is already full.
•
Delete unnecessary data
from the phone book.
Unable to
charge
battery
•
The battery or battery
charger is damaged.
•
The temperature of the
phone is below 10°C or
higher than 55°C.
•
Poor contact between the
battery and charger.
•
Contact the dealer.
•
Adjust the battery
charging environment to
avoid extremes of
temperature.
•
Check all connectors to
make sure all
connections have been
properly made.
PIN Code is
blocked
•
You have entered an
incorrect PIN code three
times in a row.
•
Contact your service
provider. If the service
provider provides the
PUK code of the SIM
card, use the PUK code
to unlock the SIM card.
Fail to set
•
Wrong operation
•
Please refer to the user
