UMTS network. To only use the GSM network,press , and select Tools > Settings >Phone > Network > Network mode >GSM.● The backlight of the display increases thedemand on battery power. In the displaysettings, you can change the time-out afterwhich the backlight is switched off, and adjustthe light sensor that observes lighting conditionsand adjusts the display brightness. Press , andselect Tools > Settings > General >Personalisation > Display and Light time-out or Light sensor.● Leaving applications running in the backgroundincreases the demand on battery power. To closethe applications you do not use, press and hold, scroll to an application in the list, and pressC.Pressing C does not close Music player. To closeMusic player, select it from the list and Options >Exit.Free memoryMany features of the device use memory to storedata. The device notifies you if the device memoryor the memory card memory (if available) is low.To view how much memory different data typesconsume, press , and select Options > Memorydetails.To free device memory, transfer data to acompatible memory card (if available) or to acompatible PC.To remove data you no longer need, use Filemanager or go to the respective application. Youcan remove the following:● Messages in the folders in Messaging andretrieved e-mail messages from the mailbox● Saved web pages● Contact information● Calendar notes● Applications shown in Application manager thatyou do not need● Installation files (.sis or .sisx) of applications youhave installed. Back up the installation files to acompatible PC using Nokia Nseries PC Suite.● Images and video clips in Gallery. Back up the filesto a compatible PC using Nokia Nseries PC Suite.If you are deleting multiple items and Not enoughmemory to perform operation. Delete somedata first. or Memory low. Delete some datafrom phone memory. is shown, delete items oneby one, beginning with the smallest items.18 Useful information
