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Trouble Shooting
Problem Remedy
The display
indicates that the
phone is locked.
You need PIN code
and PUK coke to
unlock the phone.
Contact your
service provider.
No signal You lose
connection with
your Network
Settings. Your
location may be a
blind area(like in a
tunnel or between
high-rises) or not
covered by the
Network Settings.
Change your
location and try
again. Or contact
the service center
for advice.
Slow (or no)
keypad response
It is extremely cold.
Move to a warmer
place and try again.
No standby
display
Press the Clear key
Turn the phone off
and then check if
the SIM card and
the battery are
properly installed.
Switch on the
phone and try
again.
Battery icon
flashing during
charging without
battery level
indicating bars
The battery level is
extremely low or
the ambient
temperature is out
of the acceptable
range(0-4.5 Celsius
degree). Move the
battery to a warmer
place and wait
some minutes