Nokia N770 Internet Tablet

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■ Software update
To be able to update the software on your device, you must first install 
the Nokia 770 software update wizard on your PC. You must also have 
the USB cable, fully charged battery for your device, and the latest 
software update file available.
For more information on the software update, check 
www.nokia.com/770.
Tip: To check the version number of the current software on your 
device, tap 
, and select 
Tools
 > 
Control panel
 > 
Device
 > 
About product
.
9. Battery information
■ Charging and discharging
Your device is powered by a rechargeable battery. The full performance 
of a new battery is achieved only after two or three complete charge 
and discharge cycles. The battery can be charged and discharged 
hundreds of times, but it will eventually wear out. When the operating 
and standby times are noticeably shorter than normal, replace the 
battery. Use only Nokia approved batteries, and recharge your battery 
only with Nokia approved chargers designated for this device.
If a replacement battery is being used for the first time or if the battery 
has not been used for a prolonged period, it may be necessary to 
connect the charger then disconnect and reconnect it to begin charging 
the battery.
Unplug the charger from the electrical plug and the device when not in 
use. Do not leave a fully charged battery connected to a charger, since 
overcharging may shorten its lifetime. If left unused, a fully charged 
battery will lose its charge over time.
If the battery is completely discharged, it may take a few minutes before 
the charging indicator appears on the display.