Siemens C45 - Manual (Page 11)

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The phone and SIM card are protect-
ed against misuse by several securi-
ty codes and should be treated with
the same care as a cheque guaran-
tee card. For further details (see also
p. 62).
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The PIN is usually requested each
time the phone is switched on. You
can deactivate this feature but you
risk unauthorised use of the phone.
Some service providers do not per-
mit this function.
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You can change the PIN to any 4-8
digit number (i.e. a number you may
find easier to remember).
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Enter ROG PIN.
g2.g Press.
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g2.g Enter QHZ PIN.
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,
g2.g Repeat QHZ PIN.
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You can change the PIN 2 to any 4-8
digit number (display only if PIN 2 is
available). Proceed as with
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You define and enter the phone code
when call up a phone code protected
function for the first time. It is then
valid for all functions.
You can assign it any 4-8 digit
number.
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If the PIN is entered incorrectly three
times the SIM card is barred. Enter
the PUK (MASTER PIN) provided by
your service provider together with
the SIM card according to instruc-
tions. If MASTER PIN or PIN are lost,
please contact your service provider.