278Appendix A: TroubleshootingGeneral problems“Insert SIM card” displays• Check that the SIM card has been correctly installed.“No network coverage,” “Unable to connect. Nonetwork coverage.” or “Message sending failed”displays• The network connection has been lost. You may be in aweak signal area (in a tunnel or surrounded bybuildings). Move and try again.• You are trying to access an option for which you havenot taken out a subscription with your service provider.Contact the service provider for further details.The bars above disappear• If you have just turned on your phone, wait about 2minutes, until your phone finds the network andreceives a signal from the network.• If you are in a tunnel or in an elevator, the phone maynot be able to receive the network signal properly.Move to an open place.• This may appear when you move between differentservice areas. It is normal.
