Nokia E6-00

Page 29
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You can also use your phone without a SIM card. Switch the phone off, and remove the
SIM card. When you switch back on, the offline profile is activated.
Important: In the offline profile you cannot make or receive any calls, or use
other features that require cellular network coverage. You may be able to call the official
emergency number programmed into your device.To make calls, you must first change
to another profile.
When the offline profile is activated, you can still connect to a WLAN to, for example,
read your mail or browse the internet. You can also use Bluetooth.
Remember to comply with any applicable safety requirements.
Prolong battery life
If it seems you're always looking for a charger, there are steps you can take to reduce
the power consumption of your phone.
Always charge the battery fully.
When power saving mode is activated, phone settings, such as 
Network mode
 and
the screen saver, are optimised.
Activate power saving mode
Press the power key  , and select 
Activate power saving
. To deactivate power saving
mode, press the power key  , and select 
Deactivate power saving
.
Close the applications you are not using
Press and hold the home key, swipe until the desired application is displayed, and select
.
Sounds, themes, and effects
Mute unnecessary tones, such as key tones.
Use wired headphones, rather than the loudspeaker.
Change the length of the time-out period after which the phone display switches
off.
Set the length of the time-out period
Select 
Menu
 > 
Settings
 and 
Phone
 > 
Display
 > 
Light time-out
.
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