Nokia SGH-D830 - Manual (Page 100)

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Solve problems
“Enter PUK”
• The PIN has been entered incorrectly
three times, and the SIM card is now
blocked. Enter the PUK supplied by your
service provider.
“No service,” “Network failure,” or “Not
done” displays
• The network connection has been lost.
You may be in a weak signal area. Move
and try again.
• You are trying to access an option for
which you have no subscription with your
service provider. Contact the service
provider for further details.
You have entered a number but it was
not dialled
• Be sure that you have pressed [
].
• Be sure that you have accessed the right
cellular network.
• Be sure that you have not set an
outgoing call barring option.
Your correspondent cannot reach you
• Be sure that your phone is switched on.
([ ] pressed for more than one
second.)
• Be sure that you are accessing the
correct cellular network.
• Be sure that you have not set an
incoming call barring option.
Your correspondent cannot hear you
speaking
• Be sure that you have switched on the
microphone.
• Be sure that you are 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 on the
display
• Your battery is insufficiently charged.
Recharge the battery.
The audio quality of the call is poor
• Check the signal strength indicator on
the display ( ). The number of bars
indicates the signal strength from strong
( ) to weak ( ).
• Try moving the phone slightly or moving
closer to a window if you are in a
building.