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Green tips
security certificate in your device. For more information,
contact your service provider.
Important: Even if the use of certificates makes the
risks involved in remote connections and software
installation considerably smaller, they must be used correctly
in order to benefit from increased security. The existence of
a certificate does not offer any protection by itself; the
certificate manager must contain correct, authentic, or
14. Green tips
Here are tips on how you can contribute to
protecting the environment.
Save energy
When you have fully charged the battery and disconnected
the charger from the device, unplug the charger from the wall
outlet.
You do not need to charge your battery so often if you do the
following:
● Close and disable applications, services, and connections
when not in use.
● Decrease the brightness of the screen.
● Set the device to enter the power saver mode after the
minimum period of inactivity, if available in your device.
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trusted certificates for increased security to be available.
Certificates have a restricted lifetime. If "Expired certificate"
or "Certificate not valid yet" is shown, even if the certificate
should be valid, check that the current date and time in your
device are correct.
Before changing any certificate settings, you must make sure
that you really trust the owner of the certificate and that the
certificate really belongs to the listed owner.
● Disable unnecessary sounds, such as keypad and ringing
tones.
Recycle
Most of the materials in a Nokia phone are recyclable. Check
how to recycle your Nokia products at www.nokia.com/
werecycle, or with a mobile device, www.nokia.mobi/
werecycle.
Recycle packaging and user guides at your local recycling
scheme.
Save paper
This user guide helps you get started with your device. For
more detailed instructions, open the in-device help (in most
applications, select Options > Help). For further support,
see www.nokia.com/support.
www.nokia.com/support
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