Samsung SGH SGH E250 User Manual

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Samsung SGH SGH E250 User Manual Manual pdf 123 page image

121Solve problemsHelp and personal needsTo save the time and expense of anunnecessary service call, perform the simplechecks in this section before contacting aservice professional.When you switch on your phone, thefollowing messages may appear:“Insert SIM”• Be sure that the SIM card is correctlyinstalled.“Phone lock”• The automatic locking function has beenenabled. You must enter the phone’spassword before you can use the phone.“Enter PIN”• You are using your phone for the first time.You must enter the PIN supplied with theSIM card.• The PIN check feature is enabled. Every timethe phone is switched on, the PIN has to beentered. To disable this feature, use the PINcheck menu.“Enter PUK”• The PIN code has been entered incorrectlythree times, and the SIM card is nowblocked. Enter the PUK supplied by yourservice provider.“No network,” “Network unavailable,” or“No service” displays• The network connection has been lost. Youmay be in a weak signal area. Move and tryagain.