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SIM PIN Programming - continued
SX4e GSM 1900
23
U
SER
M
ANUAL
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) Using a tone-dial (DTMF) POTS telephone connected to the Phone port, 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 telephone handset and start over at step 1 with the
correct old PIN.
Incorrect length (less than 4 or more than 8 digits) of the new PIN or not entering
the same value in both new PIN entries will result in silence. Hang up the tele-
phone handset and start over at step1.
Correct entry will be confirmed by a short beep. Hang up the telephone 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:
2) Press:
* *
042
*
<old_PIN2>
*
<new_PIN2>
*
<new_PIN2> #
NOTE : You must know the old PIN2 to change it and the new PIN2 must be 4 to
8 digits (0
−
9) in length.
For Example: To set up a new SIM with PIN2 "5678," where the old PIN2 is
“1234,” dial:
* *
042
*
1 2 3 4
*
5 6 7 8
*
5 6 7 8 #
NOTE : This procedure will change the PIN encoded on the SIM. It will not
change the PIN stored in the FWT for automatic entry of the PIN when request-
ed by the GSM module. (See previous page for instructions on how to enter the
auto-entry PIN value).
How to Unblock a SIM PIN
Use the following key sequence to unblock a SIM card:
1) Press:
* *
05
*
<PIN_unblocking key>
*
<new_PIN
*
<new PIN> #
2) Press:
**
052
*
<PIN2_unblocking key>
*
<new_PIN2
*
<new PIN2> #
NOTE : This procedure will change the PIN encoded on the SIM. It will not
change the PIN stored in the FWT for automatic entry of the PIN when request-
ed by the GSM module. (See previous page for instructions on how to enter the
auto-entry PIN value).