Security, Codes, Clear sim card barring – Siemens Mobile User Manual
Page 22: Change pin
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Security
22
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Security
§Menu§
K
m
K
Security
K
Select function.
The phone and SIM card are pro-
tected against misuse by several
security codes.
Codes
PIN Control
You can stop the PIN prompt being
activated when the phone is
switched on, but you then risk
unauthorized use of the phone.
§Change§
Press.
J
Enter PIN and confirm
with
§OK§
.
Change PIN
You can change the PIN to any 4- to
8-digit number you find easier to
remember.
J
Enter current PIN and
confirm with
§OK§
.
J
,
§OK§
Enter
new PIN.
J
,
§OK§
Re-enter
new PIN.
Change PIN2
(Display only if PIN2 is available).
Proceed as for
Change PIN
.
Change Phonecode
You define the phone code (4–8 dig-
its) when you call up a protected
function for the first time. It is then
valid for all phone code protected
functions.
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.
Keep these confidential numbers in a
safe place where you can access them
again if necessary.