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The mini-SIM may require entry of a Personal Identification Number (PIN). The
PIN is a four- to eight-digit number provided with the SIM card. If the service
provider has set the SIM to require PIN entry, the Phonecell will request the PIN
each time it is powered ON or the SIM is removed and replaced. The PIN can be
stored within the Phonecell for automatic entry when required. To use the auto-
matic PIN entry feature, the PIN must be correctly programmed and automatic
PIN entry must be enabled.
If PIN entry is requested while automatic PIN entry is disabled, the Phonecell
SX4D emits a non-registered service tone. The SIM PIN can be manually entered
at that time:
Press: <4-digit SIM number> #
If entry is successful, the non-registered service tone will be replaced by service
dial tone.
How to Set a New PIN in the SIM
REMINDER: Automatic PIN entry must be disabled - before and while the SIM PIN
is changed - until programming of the new PIN and Auto PIN Entry (see previous
page) is completed.
1) Lift up the handset (take off-hook).
2) Press:
**
04
*
< old_PIN>
*
<new PIN>
*
<new PIN> #
NOTE: You must know the old PIN to change it and the new PIN must be 4 to 8
digits (0 − 9) in length.
3) Incorrect entry of the old PIN will be indicated by a short, three tone sequence
of rising frequencies. Hang up the handset and start over at step 1 with the cor-
rect old PIN.
Incorrect length (less than 4 or more than 8 digits) of the new PIN or not enter-
ing the same value in both new PIN entries will result in silence. Hang up the
telephone handset and start over at step1.
Correct entry will be confirmed by a short beep. Hang up the handset.
For Example: To set up a new SIM with PIN "5678", where the old PIN is
“1234,” dial:
**
04
*
1 2 3 4
*
5 6 7 8
*
5 6 7 8 #
NOTE: In case of PIN2, substitute the following step 2:
SIM PIN Programming
SX4D GSM 900 • SX4D GSM 1800 14 USER MANUAL
IMPORTANT!
You must enter the PIN correctly. After three attempts to load an incorrect PIN, the
SIM will be blocked and the SIM card will have to be unblocked. If you do not
have the unblocking key, the SIM will have to be returned to the service provider
for reactivation. See How to Unblock a SIM PIN
to unblock a SIM card.