Clear Sim Card Barring - Siemens C61 User Manual

Siemens mobile phone user guide
Table of Contents

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22
Security
¢ m ¢
§Menu§
¢
Codes
PIN Control
The PIN is usually requested each
time the phone is switched on. You
can deactivate this feature but you
risk unauthorized use of the phone.
Some service providers do not per-
mit deactivating the control.
Press.
§Select§
J
Enter PIN.
Confirm input.
§OK§
Press.
§Change§
Confirm.
§OK§
Change PIN
You can change the PIN to any
4-8 digit number you may find
easier to remember.
J
Enter current PIN.
Press.
§OK§
J
§OK§
Enter new PIN.
,
J
Re-enter new PIN.
§OK§
,
Security
¢
Select function
¢ m ¢
§Menu§
¢
Codes
Change PIN2
(Display only if PIN 2 is available).
Proceed as with
Change Phonecode
You define the phone code
(4-8 digits) when you call up a
phone-code protected function for
the first time. It is then valid for all
phone-code protected functions.
Following the third unsuccessful
attempt, access to the phone code
and the functions that use it is
denied. In such an instance contact
Siemens Service (p. 90).

Clear SIM card barring

If the PIN is entered incorrectly three
times, the SIM card is barred. Enter
the PUK (MASTER PIN), provided by
your service provider with the SIM
card, according to instructions. If the
PUK (MASTER PIN) has been lost,
please contact your service provider.
Additional notes
Screensaver ......................................p. 69
Key lock.............................................p. 11
Further security settings ....................p. 76
Security
¢
Select function
Change
PIN.

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