17
Troubleshooting
If you encounter any problem when using your phone, try to solve
the problem according to the following table. If the problem still
occurs, contact the service provider or the dealer.
Problem
To Make Sure…
The battery cannot be
charged
The charger is properly connected to
your phone and the power socket.
The phone cannot be
powered on
The battery level is enough.
The battery is properly installed.
Press and hold
for about two
seconds.
You have inserted the UIM
card, but your phone
displays "Please insert UIM"
or "Check UIM".
The UIM card is inserted properly.
The UIM card is valid.
UIM card is locked
Contact your service provider for
the PUK code. Use the PUK code to
unlock the PIN code.
You cannot make a call
except an emergency call
z
The phone number is correct.
z
Y are in the network service
area.
ou
ou
z
Y do not enable the call
restriction function.
Bad call quality.
z
The signal
strength is strong
enough.
z
If
ou are staying indoors, move
near to a window.
y
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Summary of Contents for C5320
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