Samsung GSM/DCSI1800 Cell Phone User Manual


 
23
Getting Started
PIN
The Personal Identification Number or PIN (4 to
8 digits) protects your SIM card against unauthorised
use. It is usually supplied with the SIM card.
If you enter an incorrect PIN three times in succession,
the code is blocked and cannot be used until you
unblock it by entering the PUK (see below).
To... Refer to page...
Activate/deactivate 73 (menu option 7-1).
the PIN Access feature
Change the PIN 74 (menu option 7-2).
PUK
The 8-digit PUK (Personal Unblocking Key) is re q u i re d
to change a blocked PIN. The PUK may be supplied
with the SIM card. If not, or you have lost it, contact
your service pro v i d e r.
To change your PIN when the current PIN is blocked,
proceed as follows.
1. Key in the PUK and press the Ok soft key.
2. Enter a new PIN of your choice and press the Ok
soft key.
3. When the
Repeat New PIN
message is
displayed, key in the same code again and press
the Ok soft key.
If you enter an incorrect PUK ten times in succession,
the SIM card becomes invalid. Contact your service
provider for a new card.