Network Services And Costs; Take Care Of Your Device - Nokia 309 User Manual

conditions, and many other factors,
and may be significantly shorter than
those specified above. Ringing tones,
hands free call handling, use in digital
mode, and other features will also
consume the battery, and the amount
of time a device is used for calls will
affect its stand-by time. Likewise, the
amount of time that the device is
turned on and in the standby mode will
affect its talk time.

Network services and costs

Your device is approved for use on the
EGSM 900 and 1800 MHz networks.
To use the device, you need a
subscription with a service provider.
Using some features and downloading
content to your device requires a
network connection and may result in
data traffic costs. Some product
features require support from the
network, and you may need to
subscribe to them.

Take care of your device

Handle your device, battery, charger
and accessories with care. The
following suggestions help you keep
your device operational.
• Keep the device dry.
Precipitation, humidity, and all
types of liquids or moisture can
contain minerals that corrode
electronic circuits. If your device
gets wet, remove the battery,
and allow the device to dry.
• Do not use or store the device in
dusty or dirty areas.
• Do not store the device in high
temperatures. High
temperatures may damage the
device or battery.
• Do not store the device in cold
temperatures. When the device
warms to its normal
temperature, moisture can
form inside the device and
damage it.
• Do not open the device other
than as instructed in the user
guide.
• Unauthorised modifications
may damage the device and
violate regulations governing
radio devices.
• Do not drop, knock, or shake the
device. Rough handling can
break it.
• Only use a soft, clean, dry cloth
to clean the surface of the
device.
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