Samsung SGH-X105NBATMB - Manual (Page 108)

Solving Problem s
105
“No service,” “Network failure” or “Not done” is
displayed
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 blocking 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 blocking 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.
The phone starts beeping and “**Warning** Low
Battery” flashes in the display
The battery is insufficiently charged. Replace the battery
and recharge it.