User's Manual

42
Troubleshooting
Network failure
● It is possible that the phone is located in an area of weak signal, move to a place
with a stronger signal.
It is out of the network service coverage
● The SIM card is not valid, contact your network provider.
You have entered a number but the phone is not calling
● Make sure you have pressed the button correctly.
● Check the call barring options. Verify that barring is disabled for the contact
number.
● Check the fixed dialing setting is disabled.
● Check that the SIM card is within network coverage.
● Your network operator may be experiencing connection problems.
The call quality is poor
● Check the volume.
● It is in a weak signal area, such as near tall buildings or in a basement. Move to a
location with better signal strength.
● Your network operator may be experiencing connection problems.
Your correspondent can not call you
● Make sure the phone is turned on and connected to a network.
● Make sure the SIM card is not locked.
● Check that the SIM card is within network coverage.
● Check that you have not set an incoming call barring.