Ericsson T18s User Manual page 48

The SIM card lock only protects your subscription and not your phone itself
from unauthorized use. If you change SIM card, the phone still works with the
new SIM card.
Some SIM cards are protected with a PIN (Personal Identity Number) at the
time of purchase. If the SIM card lock is activated, you have to enter the PIN
PIN every time you turn on your phone. If you enter your PIN incorrectly three
Blocked.
times in a row, the SIM card is blocked. This is indicated by the message
Unblock?
PIN Blocked. Unblock?
subscription.
Unblocking Your SIM Card
1.
2.
3.
4.
5.
6.
Note!
blocked. If this happens, you should contact your network operator.
Changing PIN
1.
Enter
old PIN
2.
3.
4.
Note!
PIN incorrectly. If the message
entered your old PIN incorrectly.
Changing PIN 2
1.
2.
48 Security for Your Phone and Subscription
THE SIM CARD LOCK
If this happens you need to unlock it to access your
Press .
Y E S
Enter your PUK (or PUK2) which you will find in the information from
your network operator.
Enter a new four- to eight-digit PIN (or PIN2).
Press .
Y E S
Re-enter the new PIN (or PIN2) to confirm.
Press .
Y E S
If you enter the wrong PUK ten times in a row, your card is permanently
Scroll to Access ,
Y E S
Enter your old (current) PIN and press
Enter your new PIN and press
The phone asks you to repeat the PIN.
Enter your new PIN a second time and press
The PIN is now changed.
If the message
Scroll to Access ,
Y E S
Follow the same procedure as described in "Changing PIN" above.
, Card Lock , ,
Y E S
.
Y E S
Matching error appears, this means you entered the new
appears, followed by
Wrong PIN
, Card Lock , ,
Y E S
Change PIN code ,
Y E S
.
Y E S
.
Y E S
Change PIN2 code ,
Y E S
.
, you
Enter Old PIN
.