About the battery
Your device has an internal, nonremovable, CTIA 1725-certified rechargeable battery.
Use only Nokia approved chargers designated for this device. You can also use a
compatible USB data cable to charge your device.
Do not attempt to remove the battery from the device. To replace the battery, take
the device to your nearest authorised service facility.
You can use USB charging when a wall outlet is not available. Data can be transferred
while charging the device. The efficiency of USB charging power varies significantly,
and it may take a long time for charging to start and the device to start functioning.
Only connect your device to products that have a USB-IF logo or have completed the
USB-IF compliance program.
Authorised retail points may also offer a battery replacement service.
When your device is low on power, it goes into power save mode. To deactivate power
save mode, press and hold the power key, and select
Deactivate power saving
. When
power save mode is activated, you may not be able to modify the settings of certain
applications.