Nokia N85 Certificate management, 156, PIN code, PIN2 code, and Lock code You can, Lock phone

Settings	● PIN code request — When active, the code is
	requested each time the device is switched on.
	Deactivating the PIN code request may not be
	allowed by some SIM cards.
	● PIN code, PIN2 code, and Lock code — You can
	change the PIN code, PIN2 code, and lock code.
	These codes can only include the numbers from 0 to
	9.
		If you forget the PIN or the PIN2 code, contact your
		service provider. If you forget the lock code, contact
		a Nokia Care point or your service provider. See
	"Access codes," p. 21.
	Avoid using access codes similar to the emergency
	numbers to prevent accidental dialing of the
	emergency number.
	● Keypad autolock period — Select whether the
	keypad is locked when your device has been idle for
	a certain period of time.
	● Phone autolock period — To avoid unauthorized
	use, you can set a time-out after which the device
	automatically locks. A locked device cannot be used
	until the correct lock code is entered. To turn off the
	autolock period, select None.
		Tip: To lock the device manually, press the
		power key. A list of commands opens. Select
		Lock phone.
156	In the offline or flight profiles, you may need to unlock
	the device and change to the calling profile before
	making a call.

●Lock if SIM card changed — You can set the device to ask for the lock code when an unknown SIM card is inserted into your device. The device maintains a list of SIM cards that are recognized as the owner’s cards.

●Closed user group — You can specify a group of people to whom you can call and who can call you (network service).

When calls are limited to closed user groups, calls may be possible to the official emergency number programmed into your device.

●Confirm SIM services — You can set the device to display confirmation messages when you are using a SIM card service (network service).

Certificate management

Press , and select Tools > Settings > General > Security > Certificate management.

Digital certificates do not guarantee safety; they are used to verify the origin of software.

In the certificate management main view, you can see a list of authority certificates that are stored in your device. Scroll right to see a list of personal certificates, if available.

Digital certificates should be used if you want to connect to an online bank or another site or remote server for actions that involve transferring confidential information. They should also be used if you want to reduce the risk of viruses or other malicious software