Samsung SGH-G810 User Manual page 106

Troubleshooting
Try this to solve the
Message
problem:
PIN code When using the device for
the first time or when the
PIN requirement feature is
enabled, you must enter the
PIN supplied with the SIM
card. To disable the PIN
requirement feature,
1. In Standby mode, press
[Menu] → Settings →
General → Security →
Phone and SIM card.
2. Set the PIN code request
to Off.
PIN code Your SIM card is blocked,
blocked. usually as a result of
Enter PUK entering your PIN incorrectly
code several times. You must
enter the PUK supplied by
your service provider.
104
Your device does not show a signal
(no bars next to the network icon)
• If you just turned on the device, wait
about 2 minutes for your device to find
the network and receive a signal.
• You may not be able to receive a signal
in tunnels or elevators. Move to an
open area.
• You may be between service areas. You
should receive a signal when you enter
a service area.
You forgot a security code, PIN, or
PUK
The default lock code is 00000000. If
you forget or lose this or another code,
contact the seller or your service
provider.