Samsung S500i User Guide - Page 67

Solving Problems Before contacting the after-sales service, perform the following simple checks. They may save you the time and expense of an unnecessary service call. When you switch your phone on, the following messages may appear No SIM card Check that the SIM card is correctly installed. Phone locked Enter password The Phone lock feature is enabled. You must enter the phone's password before you can use the phone. Enter PIN • You are using your phone for the first time. You must enter the Personal Identification Number supplied with the SIM card. • The PIN check feature is enabled. Every time the phone is switched on, you must enter the PIN. To disable this feature, use the PIN check menu option (Menu 4.4.1). See page 84. Enter PUK The PIN was entered wrongly three times in succession and the phone is now blocked. Enter the PUK supplied by your network operator. Solving Problems "No service" displays • The network connection was lost. You may be in a weak reception area (in a tunnel or surrounded by buildings). Move and try again. • You are trying to access an option for which you have not taken out a subscription with your service provider. Contact the service provider for further details. You have entered a number but it was not dialled • Have you pressed the key? • Are you accessing the right cellular network? • You may have set an outgoing call barring option. Your correspondent cannot reach you • Is your phone switched on (the key pressed for more than one second)? • Are you accessing the right cellular network? • You may have set an incoming call barring option. Your correspondent cannot hear you speaking • Have you switched off the microphone (Mute appears)? • Are you holding the phone close enough to your mouth? The microphone is located at the bottom of the phone. 128 129