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Appendix A: Troubleshooting
General problems
“Insert SIM card” displays
• Check that the SIM card is correctly installed.
“No network coverage,” “Unable to connect. No
network coverage.” or “Message sending failed”
displays
• The network connection has been lost. You may be in a
weak signal area (in a tunnel or surrounded by
buildings). Move and try again.
• You are trying to access an option for which you have
not taken out a subscription with your service provider.
Contact the service provider for further details.
The bars above
disappears
• If you have just turned on your Smartpphone, wait
about 2 minutes, until your Smartphone finds the
network and receives a signal from the network.
• If you are in a turnnel or in a elevator, the Smartphone
may not be able to receive the signal properly from the
the network. Move to an open place.
• This may appear when you moves between different
service areas. It is normal.
The display is not clear
• In direct sunlight, you will not see the display clearly.
Move to a place in a proper lighting condition.