User's Manual

12
Appendix I Troubleshooting
Symptoms Possible causes
Cannot switch
on
1. 1.The bettery has not been
charged;
2. 2.The battery is not loaded
properly.
Sim card error 3. The SIM card is dirty,Clean the
SIM card;
4. Reinstall the SIM card;
5. The SIM card is damaged,Replace
it with a new one.
Weak signal Check the indication mark of the signal
intensity on the screen.The signal displays in
5 blocks; 4 blocks indicates a strong signal,2
blocks and below indicate a weak signal(the
signal intensity of sub-system is the same as
above).
Outgoing calls
fail
1. You may have set the phone number in
hidden status to hide the own number;
how ever,your network operator does
not provide the service;
2. There are strong interference signals
in the ambient environment;
3. Activate the call disable function;
4. You probably activate the line2.But
your network operator does not
provide the service.