Siemens GSM 900 User Manual download pdf (Page 82)

31.5.02 06-S46 Body.fm i 37 Eagle Am Engl, A31008-H4500-A1-4-7619

Setup

Security

The use of security codes can

protect the phone and SIM card

from misuse.

§Menu§



Setup



Security



select a function:

Codes

PIN control

Depending on your Service Provider,

the PIN may be requested each time

the phone is turned on. You can

deactivate this feature but you risk

unauthorized use of the phone.

Some service providers do not

permit this function.

PIN Protects your SIM card (personal

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 unlock SIM

cards after the wrong PIN has

been entered.

Phone

code

Protects your phone. Must be

entered at the first security

setting (4 to 8 digits).

Keep these confidential numbers in a

safe place where you can access them

again if required.

Change PIN

You can change the PIN to any

4 to 8 digit number.

Enter old PIN.

§OK§ Select soft key.

§OK§ Enter new PIN.

§OK§ Repeat new PIN.

Change PIN2

You can use the same process to

change a PIN 2, if PIN 2 is available.

Change phonecode

You define and enter the phone code

when you call up a phone code-

protected function for the first time.

It is then valid for all functions.

You can change it to any 4 to 8 digit

number. If you forget it, please call

Siemens Service (p. 93).

Clear SIM card barring

If the PIN is entered incorrectly three times,

the SIM card is locked. Follow instructions

and enter the PUK (MASTER PIN) your

service provider has given you together

with the SIM card. If MASTER PIN or PIN is

lost, please contact your service provider.

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Siemens GSM 900 User Manual Page 82

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