Siemens Mobile Phone User's Guide download pdf (Page 15)

Security

A55 Piranha english, A31008-H5750-A1-2-7619 (28. May 2003, 12:16)

Security The phone and SIM card are protect-

ed against misuse by several security

codes.

§Menu§

KSetupKSecurity

Kthen 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 deactivation of the control.

§Select§ Press.

J Enter PIN.

§OK§ Confirm input.

§Change§ Press.

§OK§ Confirm.

Change PIN

You can change the PIN to any

4-8 digit number you may find

easier to remember.

J Enter old PIN.

§OK§ Press.

§OK§ Enter new PIN.

§OK§ Repeat new PIN.

Change PIN 2

(displayed only if PIN 2 is available).

Proceed as with Change PIN.

Keep these confidential numbers in a

safe place where you can access them

again if required.

Protects your SIM card (per-

sonal identification number).

PIN2

This is needed to set the charge

detail display and to access

additional functions on special

SIM cards.

PUK

PUK2

Key code. Used to unlock SIM

cards after the wrong PIN has

been entered.

Phone

code

Protects some functions of your

phone. Must be defined at the

first security setting.

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Siemens Mobile Phone User's Guide Page 15

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