Sony Ericsson K550 - Manual (Page 77)

77 More features
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
} Security
} Locks } SIM protection } 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
} Security } Locks } SIM protection
} 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 replaced. 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.
To set the phone lock
1
} Settings }
the General tab
} Security
} Locks } Phone protection
} Protection
and select an alternative.
2 Enter the phone lock code
} OK
.
To unlock the phone
If the phone lock is on, enter your code
} OK
.
To edit your phone lock code
} Settings }
the General tab
} Security
} Locks } Phone protection
} Change code
.
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 forget it, you have to take
your phone to your local Sony Ericsson
retailer.
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