Sony Ericsson K550im Phone lock, Keypad lock, the, tab, the, tab, the, tab, the, tab, Security, Settings, Settings, Enter your PIN, 74More features, }Security } Locks

To turn the SIM card lock on or off

1} Settings } the General tab

}Security } Locks } SIM protection

}Protection and select On or Off.

2Enter 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.

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.

To set the phone lock

1} Settings } the General tab } Security } Locks } Phone protection } Protection and select an alternative.

2Enter 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.

Keypad lock

Lock the keypad to avoid dialling a number by accident.

Calls to the international emergency number 112 can still be made, even when the keypad is locked.

Automatic keylock

Use automatic keylock in standby to lock the keypad soon after the last key was pressed.

To set the automatic keylock

}Settings } the General tab

}Security } Automatic keylock.

74More features

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