LG Electronics U400 Cell Phone User Manual


 
code. In this case, the PUK code must be
entered in order to reset the PIN code.
5. The maximum number of attempts at PUK
code input permitted is 10. Entering an
incorrect PUK code 10 times will restrict use
of the handset. In this case, ask 3 Customer
Service to unlock your handset.
Press the Back key in the PIN code input
window to return to the previous step.
Handset lock
You can use security code to avoid
unauthorised use of your handset.
When you switch on your handset, your
handset will request security code always if you
set phone lock to “Power on”.
You can select the menu from When switching
on, If USIM changed, Lock now, and None.
Change codes
You can change PIN, PIN2 and the security
code.
Note
If you change the code and then forget it you
will need to contact your place of purchase to
unlock it or solve this problem.
a PIN/PIN 2 code: This menu allows you to
change the PIN or PIN2 code.
1. Select Change codes from the Security
Settings List and press the key.
2. Select PIN or PIN2 Code and press
the key.
3. Input the current PIN or PIN2 code, and
then a new PIN or PIN2 code. Entering an
incorrect PIN code 3 times invalidates the
PIN code. In this case, you will need to
enter the PUK or PUK2 code in order to
reset the PIN code.
4. Entering an incorrect PUK code 10 times
will restrict use of the handset. In this
case, ask 3 Customer Service to unlock
your phone.
a Security code: This menu allows you to
change the handset password. The
maximum allowed numeric of attempts of
security code input is not limited like PIN and
PIN2.
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