Getting started28If you enter an incorrect PIN too many times, your•SIM card will be blocked. You must enter a PINunlock key (PUK) to unblock the SIM card.If you block your SIM card by entering an incorrect•PUK, bring the card to your service provider tounblock it.› Activate the mobile trackerWhen someone inserts a new SIM card in your device, themobile tracker feature will automatically send the contactnumber to specified recipients to help you locate andrecover your device.To use this feature, you need a Samsung account forcontrolling the device from the web remotely.In Menu mode, select1 Settings → Security.Select2 Mobile tracker.Enter your password and select3 Done.Select4 OK to continue.Once the device lock is enabled, you must enter thepassword each time you turn on the device.If you forget your password, bring your device to a•Samsung Service Centre to unlock it.Samsung is not responsible for any loss of•passwords or private information or otherdamages caused by illegal software.› Lock your SIM cardYou can lock your device by activating the PIN suppliedwith your SIM card.In Menu mode, select1 Settings → Security.Select2 PIN lock.Enter the PIN of your SIM card and select3 Done.Once the PIN lock is enabled, you must enter the PIN eachtime you turn on the device.