15212 Appendix A: TroubleshootingGeneral problemsProblem Description & Solution“Insert SIM card”displaysCheck that the USIM/SIM card has beencorrectly installed.“No networkcoverage,”“Unable toconnect. Nonetworkcoverage.” or“Messagesending failed”displays• The network connection has been lost.You may be in a weak signal area (in atunnel or surrounded by buildings).Move and try again.• You are trying to access an option forwhich you have not taken out asubscription with your service provider.Contact the service provider for furtherdetails.The bars of thesignal icon ( )disappear• If you have just turned on your phone,wait for about 2 minutes, until yourphone finds the network and receives asignal.• If you are in a tunnel or in an elevator,the phone may not be able to receivethe network signal properly. Move to anopen place.• This may appear when you movebetween different service areas. It isnormal.The display is notclearIn direct sunlight, you may not be able tosee the display clearly. Moving to a placewith different light should solve thisproblem.
