Nokia N97 Nokia N97 User Guide in English and Spanish - Page 14

Find help code and your device is locked, your device will (5-20 characters), select , and verify the message. require service and additional charges may apply. Enter the lock code. Additional charges may apply, and all the personal data in your device may be deleted. For more information, contact a Nokia Care point or your Prolong battery life device dealer. ● Personal Unblocking Key (PUK) code and PUK2 code - These codes (8 digits) are required to change a blocked PIN code or PIN2 code, respectively. If the codes are not supplied with the SIM card, contact the operator whose SIM card is in your device. ● UPUK code - This code (8 digits) is required to change a blocked UPIN code. If the code is not Many features in your device increase the demand on battery power and reduce the battery life time. To save battery power, observe the following: ● Features that use Bluetooth technology, or allowing such features to run in the background while using other features, increase the demand on battery power. Switch off Bluetooth when you do not need it. supplied with the USIM card, contact the operator ● Features that use wireless LAN (WLAN), or allowing whose USIM card is in your device. such features to run in the background while using other features, increase the demand on battery Remote lock power. The WLAN on your Nokia device switches off when you are not trying to connect, not connected To prevent unauthorised use of your device, you can lock your device and memory card remotely using a text message. You must define the message text, and to lock your device, send that text message to your device. To unlock your device, you need the lock code. to another access point, or not scanning for available networks. To further reduce battery consumption, you can specify that your device not scan, or scans less often, for available networks in the background. 14 To enable remote locking, and to define the text message, select Menu > Settings and Phone > Phone mgmt. > Security settings > Phone and SIM card > Remote phone locking > Enabled. Tap the text input field to enter the text message content ● If you have set Packet data connection to When available in connection settings, and there is no packet data coverage (GPRS), the device periodically tries to establish a GPRS connection. To prolong the operating time of your device, select Packet data connection > When needed.