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Appendix A: Troubleshooting
General problems
Problem
Description & Solution
“Insert SIM card”
displays
Check that the USIM/SIM card has been
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 of the
signal icon ( )
disappear
• If you have just turned on your phone,
wait for about 2 minutes, until your
phone finds the network and receives a
signal.
• If you are in a tunnel or in an elevator,
the phone may not be able to receive
the network signal properly. Move to an
open place.
• This may appear when you move
between different service areas. It is
normal.
The display is not
clear
In direct sunlight, you may not be able to
see the display clearly. Moving to a place
with different light should solve this
problem.
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