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Insert the plug of the travel charger to an appropriate power
outlet.
During the charging, the battery level grids in the battery icon
keep flickering till the battery is fully charged.
The battery icon does no longer flicker when the charging
process ends.
Note:
Ensure that the plug of the charger, the plug of the earphone, and
the plug of the USB cable are inserted in the right direction. Inserting
them in a wrong direction may cause charging failure or other
problems.
Before the charging, ensure that the standard voltage and frequency of
the local mains supply match the rated voltage and power of the travel
charger.
Optimizing battery life
You can extend your battery’s life between charges by turning off
features that you don’t need. You can also monitor how applications
and system resources consume battery power.
To guarantee the optimal performance of your battery, please
stick to the following rules:
Turn off radios that you aren’t using. If you aren’t using Wi-Fi,
Bluetooth, or GPRS, use the Setting application to turn them
off.
Turn down screen brightness and set a shorter screen timeout.
If you don’t need them, turn off automatic syncing for Gmail,
Calendar, Contacts, and other applications.
Note: On the Home screen, press Menu icon and touch Settings >
About phone > Battery use. The Battery Use screen lists the
applications that have been using the battery, from greatest to least
battery use. The top of the screen displays the time since you were last
connected to a charger or, if you’re currently connected to one, how
long you were running on battery power before you connected to a
