Deactivate background animation effectsSelect Menu > Settings and Themes > General > Options > Theme effects > Off.Decrease the brightness of the displayIn the display settings, select Brightness.Deactivate the Big clock screen saverSelect Menu > Settings and Themes > Screen saver > None.Network use• If you are listening to music or otherwise using your device, but do not want tomake or receive calls, activate the offline profile.• Set your device to check for new mail less frequently.• Use a WLAN connection to connect to the internet, rather than a packet data (GPRSor 3G) connection.• If your device is set to use both GSM and 3G networks (dual mode), the device usesmore power when searching for the 3G network.Set your device to use only the GSM networkSelect Menu > Settings and Connectivity > Network > Network mode > GSM.Deactivate Bluetooth when not neededSelect Menu > Settings and Connectivity > Bluetooth > Bluetooth > Off.Stop your device scanning for available WLANsSelect Menu > Settings and Connectivity > WLAN > Options > Settings > ShowWLAN availability > Never.Establish a packet data (3G or GPRS) connection only when neededSelect Menu > Settings and Connectivity > Admin. settings > Packet data > Packetdata connection > When needed.If your device stops respondingReboot your device. Press and hold the power key for about 8 seconds. The devicevibrates three times and switches off. To switch your device on again, press the powerkey .No content, such as contacts or messages, is deleted.Basic use 31
