Sony Ericsson UMTS-GSM 1900 Cell Phone User Manual


 
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75More features
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.
This is indicated by the message PIN
blocked. 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 appears, enter
your PUK } OK.
2 Enter a new four- to eight-digit PIN
} OK.
3 Re-enter the new PIN to confirm } OK.
To edit your PIN
1 } Settings } the General tab } Locks
} SIM lock } Change PIN.
2 Enter your PIN } OK.
3 Enter a new four- to eight-digit PIN
} OK.
4 Re-enter the new PIN to confirm } OK.
To turn the SIM card lock on or off
1 } Settings } the General tab } Locks
} SIM lock } Protection and select On
or Off.
2 Enter your PIN
} OK.
Phone lock
Protect your phone against unauthorized
use if it is stolen and the SIM card is
exchanged. You can change the phone
lock code (0000) to any four- to eight-
digit personal code.
Automatic phone lock
If the phone lock is set to automatic,
you do not need to enter your phone
lock code until a different SIM card
is inserted in the phone.
If the message Codes do not match
appears when you edit your PIN, you
entered the new PIN incorrectly.
If the message
Wrong PIN
appears,
followed by
Old PIN:
, you entered your
old PIN incorrectly.
It is important that you remember your
new code. If you should forget it, you
have to hand in your phone to your local
Sony Ericsson retailer.