•At power on – you will be requested to enter the code every time you turn the phone on.

•Off – the lock is turned off; no code will be requested.

•When SIM changed – the code will only be requested if the SIM card has been changed.

SIM card lock

Your PIN (Personal Identification Number) code consists of four to eight digits and is used to protect your SIM card against unauthorized use. It is needed for the access of the SIM card. You get it from your operator with the SIM card, but you can change it in the Locks menu. Your SIM card lock setting options are:

•At power on – you will be requested to enter your PIN code every time you turn the phone on.

•Off – the lock is turned off; no code will be requested.

An error message informs you if an incorrect PIN code has been entered. Usually, the SIM card will be blocked after three incorrect attempts (the number of attempts is operator- dependent). To unblock the SIM card you must use your PUK code.

The PUK code consists of eight digits. When you have entered the right PUK code you must enter a new PIN code. You have ten attempts to enter the PUK code. If all ten attempts fail,

M600i

the SIM card will be unusable and you need to contact your operator. You cannot change the PUK code.

The PIN2 code

Some special SIM card services, such as Call meter and Fixed Numbers, can be protected by a secondary code feature, the PIN2 code. The code properties are:

•PIN2 cannot be disabled, but the four-to- eight digit code can be changed in the

Locks menu.

•PIN2 will be blocked after three incorrect attempts. To unblock the code, a PUK2 code must be entered.

•After 10 unsuccessful PIN2 unblocking attempts, the card can still be used, but access to the PIN2-protected SIM features is permanently barred.

•Not every SIM card has a PIN2 lock.

Inactivity lock

If you mark the Inactivity lock check box and enter the requested Phone lock code, this lock will be activated. It protects the screen from accidentally being pressed. The screen will automatically become locked after a 60- second period of inactivity. To open it, touch any key to bring up a dialog where you must enter the Phone lock code.

Control panel

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