1019 TroubleshootingIf you have trouble with your device, trythese procedures before you contact aservice professional.Contacting a service centreIf you have attempted thetroubleshooting solution and are stillhaving problems with your device, makea note of the following information andcontact your local dealer or Samsungafter-sales service:• Model number(s) of your device• Serial number(s) of your device• A clear description of the problemWhen contacting Samsung, use thecontact phone numbers, web addresses,or postal addresses for your country ofresidence.When you turn on your device, thefollowing messages may appear:Message Try this to solve theproblem:Insert SIMcardEnsure that the SIM card isinstalled correctly.Locked The autolock feature isenabled. To use the device,you must press <Unlock>and enter the code. Todisable the autolock feature,1. Press [Menu] → Settings→ General → Security →Device & SIM security.2. Set the Phone autolockperiod to Autolock off.
