Samsung SGH-X427 - Manual (Page 125)

Solving Problems
120
“No service,” “Network failure” or “Not done”
displays
• The network connection was lost. You may be in a weak
signal 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
dialed
• 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?
• Are you holding the phone close enough to your mouth?
The microphone is located at the bottom of the phone.