LG M6100 User Manual page 65

5. You can enter your PUK code up to 10 times. If you
put wrong PUK code more than 10 times, you can
not unlock your phone. You will need to contact
your service provider.
You can use security code to avoid unauthorized
use of the phone. Whenever you switch on the
phone, the phone will request security code if you
set phone lock to When switch on. If you set phone
lock to When SIM changed, your phone will request
security code only when you change your SIM card.
This menu allows to set the time of Auto key lock.
The Call barring service prevents your phone from
making or receiving certain category of calls. This
function requires the call barring password. You can
view the following submenus.
64
The barring service for all outgoing calls.
The barring service for all outgoing international
calls.
The barring service for all international outgoing
calls except home network.
The barring service for all incoming calls.
The barring service for all incoming calls when
roaming.
You can cancel all barring services.
You can change the password for Call Barring
Service.