Security - Siemens SFG75 User Manual

GSM Only:
If this option is selected, the phone will search only for GSM
networks. Select this option if you use a SIM card for GSM
network on your phone.

Security

You can use various codes and locks to prevent unauthorized use of the
phone.
PIN Code
The PIN (Personal Identification Number) is the password provided
by your network operator. You need this password in order to use the
SIM card.
If you enter the PIN incorrectly three times in a row, the SIM card
!
will be locked. You must now enter the PUK (Personal
Unblocking Key) for that SIM card in order to unlock it. Please
contact your network operator to obtain a PUK.
PIN1 Code
Used to activate, deactivate or change the PIN1 Code. To change
the PIN1 Code, select Set Status and set to On. Enter PIN1.
PIN2 Code
Used to change the PIN2 code. The procedure is the same as for
the PIN1 Code.
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