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To monitor and control how battery power is being
used:
• On the Home screen, touch the Applications
tab > Settings > About phone > Battery
use.
This screen displays battery usage times. It lists all
of the applications or services using battery power
from the greatest amount of energy used to the
least amount.
3. Before installing an open source
application and operating system
WARNING: If you install and use an
operating system other than the one provided
by the manufacturer it may cause your phone
to malfunction. In addition, your phone will no
longer be covered by the warranty.