User's Manual

56
Draft for Sony Ericsson Internal Use Only - PA
Calculator
Use the calculator to add, subtract, divide and multiply.
} Organizer } Calculator:
•To select ÷ x - + . % =, press or .
• To delete a figure, press .
SIM card lock
The SIM card lock protects your subscription from
unauthorized use. Most SIM cards are locked at the time of
purchase. If the SIM card lock is on, you have to enter a 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 and the message PIN blocked is
displayed. To unblock it, you need to enter your PUK
(Personal Unblocking Key). Your PIN and PUK are supplied
by your network operator. You can edit your PIN and select a
new four- to eight-digit PIN.
To unblock your SIM card
1 When PIN blocked is displayed, enter your PUK } OK.
2 Enter a new four- to eight-digit PIN } OK. Re-enter the
new PIN to confirm } OK.
To edit your PIN
1 } Settings } General } Locks } SIM lock } Change PIN.
2 Enter your PIN } OK.
3 Enter a new four- to eight-digit PIN } OK. Re-enter the
new PIN to confirm } OK.
If the message Codes do not match appears when you
edit your PIN, the new PIN is entered incorrectly. If
the message Wrong PIN appears, followed by Old PIN:
you entered your old PIN incorrectly.