backlight is switched off. Select Menu > Settings andPhone > Display > Light time-out. To adjust thelight sensor that observes lighting conditions andadjusts the display brightness, in the display settings,select Light sensor.• Leaving applications running in the backgroundincreases the demand on battery power. To close theapplications you are not using, if they are notresponding, select Options > Show open apps., andgo to the application using the menu key. Press andhold the menu key to open the application, and selectOptions > Exit.Free memoryTo view how much space is available for different datatypes, select Menu > Applications > Office > File mgr..Many features of the device use memory to store data. Thedevice notifies you if the memory in different memorylocations is low.To free memory, transfer data to a compatible memorycard (if available) or to a compatible computer.To remove data you no longer need, use File manager oropen the respective application. You can remove thefollowing:• Messages in the folders in Messaging and retrieved e-mail messages in the mailbox• Saved web pages• Contact information• Calendar notes• Applications shown in Application manager that youdo not need• Installation files (.sis or .sisx) of applications you haveinstalled. Transfer the installation files to a compatiblecomputer.• Images and video clips in Photos. Back up the files toa compatible computer.14 Find help
