Siemens U15 User Manual
145
Security
Unblock the SIM Card PIN Code
If you enter an incorrect SIM card PIN code three times in a row,
your SIM card is disabled and your phone displays the message
SIM Blocked
. You need to enter a PIN unblocking key (PUK)
code, which you can obtain from your service provider.
Note:
In the following key sequence, each key press must occur
within two seconds of the previous keypress.
Caution:
If the unblocking attempt is tried unsuccessfully 10
times, the SIM card is permanently disabled and your phone
displays the message
SIM Disabled
.
Note:
You can open the PIN2 unblocking editor by entering
* * 0 5 2 *
. Use the PUK2 code in place of the
PUK code in the above procedure.
Press
To
1
*
*
0
5
*
open the PIN
unblocking editor
Your phone prompts
Your phone prompts
you to enter the
PIN
Unblock Sequence:
2
PUK code +
OK
(
+
)
+ new PIN code +
OK
(
+
)
+ new PIN code +
OK
(
+
)
unblock the SIM
card PIN features