Siemens M55 - Manual (Page 16)

Security
15
M55 Barracuda english, A31008-H6300-A1-1-7619 (30. April 2003, 10:39)
©
Siem
ens AG 2001
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Security
Codes
The phone and SIM card are protect-
ed against misuse by several security
codes.
§Menu§
KmK
Security
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.
§Select§ Press.
J
Enter PIN.
§OK§ Confirm input.
§Change§ Press.
§OK§ Confirm.
Change PIN
You can change the PIN to any 4 to
8 digit number you find easier to re-
member.
J
Enter current PIN.
§OK§ Press.
J
, §OK§ Enter new PIN.
J
, §OK§ Repeat new PIN.
Change PIN2
(Display only if PIN2 is available).
Proceed as with Change PIN .
Keep these confidential numbers in a
safe place where you can access them
again if required.
PIN Protects your SIM card (person-
al identification number).
PIN2 This is needed to set the charge
detail display and to access ad-
ditional functions requiring spe-
cial SIM cards.
PUK
PUK2
Key code. Used to unlock SIM
cards after the wrong PIN has
been entered repeatedly.
Phone
code
Protects your phone. Must be
entered at the first security
setting.