Personal Unblocking Key (Puk) Code; Call Restrictions; Security Level - Nokia 6255 User Manual

S e t t i n g s ( M e n u 7 )
3. Enter the new PIN code, and
press OK.
4. Enter the new PIN code again,
and press OK.
Personal unblocking key
(PUK) code
The PUK code is used to restore a
blocked PIN code. The PUK code is 8
characters in length and cannot be
changed. The PUK code must be
obtained from your wireless service
provider.
Important: If you enter an
incorrect PUK code 10 times
in succession, the UIM card is
rejected and can no longer be
used. You must contact your
wireless service provider for a
new UIM card.

Call restrictions

Call restrictions is a network service.
See "Network Services"
more information.
If your wireless service providers
supports this feature, then you can
restrict the calls your phone can
make and receive. When calls are
restricted, calls still may be possible
to the official emergency number
programmed into your phone.
74
on page 9 for
Copyright © 2004 Nokia. All rights reserved.
Note: Contact your service
provider for the restriction
password.
1. At the standby mode screen,
select Menu >
Security settings
restrictions
2. Enter the security code and press
OK. (See "Security settings"
page 73 for more information.)
3. Select the type of calls you wish
to restrict:
Restrict outgoing
cannot be made.
Restrict incoming
cannot be received.
4. Scroll to an option (Select,
restriction, Edit, or Delete), and
press Select.

Security level

The security code controls access to
features such as the
and is supplied with the phone. The
preset code is 12345. Once you
change the security code, keep the
new code secret and in a safe place
separate from your phone.
Settings >
> Call
on
calls—Calls
calls—Calls
Add
Security level