Nokia X6-00 - Manual (Page 27)

If the network mode is set to dual mode in the network settings, the device
searches for the UMTS network. You can set the device to use only the GSM
network. To only use the GSM network, select Menu > Settings and
Connectivity > Network > Network mode > GSM .
• The backlight of the display increases the demand on battery power. In the
display settings, you can change the time-out after which the backlight is
switched off, and adjust the light sensor that observes lighting conditions and
adjusts the display brightness. Select Menu > Settings and Phone >
Display > Light time-out or Light sensor .
• Leaving applications running in the background increases the demand on
battery power. To close the applications you do not use, press and hold the
menu key, select Options > Show open apps. , and navigate to the application
with the menu key. Press and hold the menu key, and select Exit .
Increase available memory
Do you need more available device memory for new applications and content?
View how much space is available for different data types
Select Menu > Applications > Office > File mgr. .
Many features of the device use memory to store data. The device notifies you if the
memory in different memory locations is low.
Increase available memory
Transfer data to the mass memory or to a compatible computer.
To remove data you no longer need, use File manager or open the respective
application. You can remove the following:
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