Security; In-Codes - Siemens MT50 User Manual

10
The phone and SIM card are protect-
ed against misuse by several security
codes.
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
additional functions on special
SIM cards.
PUK
Key code. Used to unlocked
PUK2
SIM cards after the wrong PIN
has been entered.
Phone
Protects your phone. Must be
code
entered at the first security set-
ting.
¢ ¢
§Menu Setup
¢
then select a function
Codes
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.

Security

Security
Press.
§Select§
J
Enter PIN.
Confirm input.
§OK§
Press.
§Change§
Confirm.
§OK§
Some service providers do not per-
mit this function.
Change PIN
You can change the PIN to any
4-8 digit number you may find easier
to remember.
J
Enter old PIN.
Press.
§OK§
J
Enter new PIN.
§OK§
,
J
Repeat new PIN.
§OK§
,
Change PIN2
(display only if PIN 2 is available).
Proceed as with Change PIN.