Samsung SGH-L870 User Manual

Also see for SGH-L870: User manual Quick start guide

atroubleshootingtroubleshootingWhile using your device, the followingmessages may appear:Message Try this to solve the problem:Insert SIMcardEnsure that the SIM card is installedcorrectly.LockedThe autolock feature is enabled. Touse the device, you must press<Unlock> and enter the code. Todisable the autolock feature,1. In Standby mode, press[MENU] → Settings → General→ Security → Phone and SIMcard.2. Set the phone autolock periodto None.PIN codeWhen using the device for the firsttime or when the PIN requirementfeature is enabled, you must enterthe PIN supplied with the SIM card.To disable the PIN requirementfeature,1. In Standby mode, press[MENU] → Settings → General→ Security → Phone and SIMcard.2. Set the PIN code request to Off.PIN codeblocked.Enter PUKcodeYour SIM card is blocked, usually asa result of entering your PINincorrectly several times. You mustenter the PUK supplied by yourservice provider.Message Try this to solve the problem: