Life is good LG MOBILE PHONE C3320 - Manual (Page 63)

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PIN code request Menu 7.5.1
In this menu, you can set the phone to ask for the 4
digit PIN code of your SIM card when the phone is
switched on. If this function is activated, you’ll be
requested to enter the 4 digit PIN code.
1. Select PIN code request in the security settings
menu, and then press [Select].
2. Set On/Off.
3. If you want to change the setting, you need to enter
PIN code when you switch on the phone.
4. If you enter a wrong PIN code more than 3 times,
the phone will lock out. If the PIN is blocked, you
will need to key in the 8 digit Pin Unlocking Key
(PUK) code that you can obtain from your service
provider.
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.
n Note Your O2 Pay & Go mobile is supplied with PIN
deactivated.
Phone lock Menu 7.5.2
You can use a security code to avoid unauthorized use
of the phone. Whenever you switch on the phone, the
phone will request a security code if you set phone
lock to On. If you set phone lock to Automatic, your
phone will request a security code only when the SIM
card is changed. The default security code for this
phone is 0000.
Call barring Menu 7.5.3
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.
n Note This service is not available on your O2 Pay & Go
mobile.
Security settings Menu 7.5
Settings