Security; Codes - Siemens M55 User Manual

Codes

The phone and SIM card are protect-
ed by several security numbers
(codes).
Keep these confidential numbers in a
safe place where you can access them
again if required.
K m K
§Menu§
K
Codes
K
Select function.
PIN control
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 deactivating the control.
Press.
§Select§
J
Enter PIN.
§OK§ Confirm input.
§Change§ Press.
Confirm.
§OK§

Security

Security
Change PIN
You can change the PIN to any 4 to 8
digit number you find easier to re-
member.
J
§OK§
J
§OK§
,
J
§OK§
,
Change PIN2
(Display only if PIN2 is available).
Proceed as with
Chg.phonecode
(Change phone code)
You define the phone code
(4–8 digits) when calling up a
phone-code protected function for
the first time. It is then valid for all
phone-code protected functions.
Following the third incorrect at-
tempt, access to the phone code and
the functions that use it is denied. If
this happens please contact Siemens
Service (p. 56).
Enter current PIN.
Press.
Enter new PIN.
Repeat new PIN.
Change PIN.
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