LG KF755d User Manual page 87

Note
] Press the right soft key in the PIN code
entry window to return to the previous
step.
] 3 incorrect PIN code entries would
invalidate the PIN code. And you have to
enter the PUK (PIN Unblock Key) code
to configure the PIN code again.
] The maximum number of times you may
enter the PUK code is 10. (Note: If you
enter an incorrect PUK code 10 times,
the SIM card will be blocked and must
be replaced.)
] If the PIN code request cannot be
disabled by operator settings, you will
not be able to choose this menu item.
Handset lock
You can lock your phone. The following 4
lock functions are available.
When switching on: Locks the handset
whenever the handset is switched on.
If SIM changed: Locks the handset when the
phone's SIM card has been changed.
Immediate: Locks the handset immediately.
None: Deactivates the lock function.
You are requested to enter the security code
to confirm the selection.
] To unlock the handset, you need to enter
the security code.
Change codes
You can change the PIN, PIN2, and the
mobile phone password.
PIN code
PIN is the abbreviation for Personal
Identification Number, and is used to restrict
use by an unauthorised user.
PIN code change procedure
1. Select 'PIN code' from the 'Change codes'
list and then press O.
2. Enter the current PIN code, and press O.
3. Enter the new PIN code, and press O.
4. Enter the new PIN code once again, and
press O.
] If the PIN code is different from that of
step 3, the procedure is restarted from
step 3.
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