Sony Ericsson T28 World User Guide - Page 58

Security for YourPhone and Subscription

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EricssonNoMtofboilreCCoommmmerucniiaclatUisoens AB Security for Your Phone and Subscription There are several ways to protect your phone and subscription from unauthorized use. Anything from a SIM card lock to full phone number control. The SIM Card Lock The SIM card lock only protects your subscription and not your phone itself from unauthorized use. If you change SIM cards, the phone still works with the new SIM card. Most SIM cards are locked at the time of purchase. If the SIM card lock is on, you have to enter the PIN (Personal Identity Number) every time you turn on your phone. If you enter your PIN incorrectly three times in a row, the SIM card is blocked. This is indicated by the message PIN blocked. If this happens you need to unblock it to access your subscription. To unblock your SIM card 1. PIN blocked appears. 2. Enter your PUK (or PUK2) which you will find in the information supplied by your network operator. 3. Press Y ES . 4. Enter a new four- to eight-digit PIN (or PIN2). 5. Press Y ES . 6. Re-enter the new PIN (or PIN2) to confirm. 7. Press Y ES . Note! If you enter the wrong PUK ten times in a row, your card is permanently blocked. If this happens, you should contact your network operator. To change your PIN code 1. Scroll to Settings, Y ES , Locks, Y ES , Card Lock, Y ES , Change PIN, YE S. 2. Enter your old (current) PIN and press YE S. 3. Enter your new PIN and press YE S . The phone asks you to repeat the PIN. 4. Enter your new PIN a second time and press YE S . The PIN has now been changed. 58 Security for Your Phone and Subscription

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Not for Commercial Use
Er
i
cs
s
on M
obile Communi
ca
tions AB
58
Security for Your Phone and Subscription
Security for Your Phone
and Subscription
There are several ways to protect your phone and subscription from
unauthorized use. Anything from a SIM card lock to full phone number control.
The SIM card lock only protects your subscription and not your phone itself
from unauthorized use. If you change SIM cards, the phone still works with
the new SIM card.
Most SIM cards are locked at the time of purchase. If the SIM card lock is on,
you have to enter the PIN (Personal Identity Number) every time you turn on
your phone. If you enter your PIN incorrectly three times in a row, the SIM
card is blocked. This is indicated by the message
PIN blocked
. If this happens
you need to unblock it to access your subscription.
To unblock your SIM card
1.
PIN blocked
appears.
2.
Enter your PUK (or PUK2) which you will find in the information
supplied by your network operator.
3.
Press
YES
.
4.
Enter a new four- to eight-digit PIN (or PIN2).
5.
Press
YES
.
6.
Re-enter the new PIN (or PIN2) to confirm.
7.
Press
YES
.
Note!
If you enter the wrong PUK ten times in a row, your card is permanently
blocked. If this happens, you should contact your network operator.
To change your PIN code
1.
Scroll to
Settings
,
YES
,
Locks
,
YES
,
Card Lock
,
YES
,
Change PIN
,
YES
.
2.
Enter your old (current) PIN and press
YES
.
3.
Enter your new PIN and press
YES
.
The phone asks you to repeat the PIN.
4.
Enter your new PIN a second time and press
YES
.
The PIN has now been changed.
The SIM Card Lock