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1
Plug the charger into a power outlet.
2
Plug one end of the USB cable into the charger (or into the USB port of a
computer).
3
Plug the other end of the cable into the micro USB port on your device, with
the USB symbol facing up. The battery status LED lights up when charging
starts.
4
When the battery status LED is green, the device is fully charged. Disconnect
the USB cable from your device by pulling it straight outwards. Make sure not
to bend the connector when removing the cable from the device.
If the battery is completely discharged, it may take a few minutes before the LED lights up
after you connect the charger cable to a power source.
Battery LED status
Green The battery is fully charged
Flashing red The battery level is low
Orange The battery is charging. The battery level is between low and full
To check the battery level
1
From your Home screen, tap
.
2
Find and tap Settings > About phone > Status > Battery level.
Improving battery performance
The following tips can help you improve battery performance:
•
Charge your device often. This will not affect the lifetime of the battery.
•
Downloading data from the Internet is power consuming. When you're not using the
Internet, you can save power by disabling all data connections over mobile networks.
You can do this from Settings > More… > Mobile networks > Mobile data traffic.
This setting does not prevent your device from transmitting data over other wireless
networks.
•
Turn off GPS, Bluetooth™ and Wi-Fi® when you don't need these features. You can
turn them on and off more easily by adding the Quick settings widget to your Home
screen. You do not need to turn off 3G.
•
Set your synchronisation applications (used to synchronise your email, calendar and
contacts) to synchronise manually. You can also synchronise automatically, but
increase the synchronisation intervals.
•
Check the battery usage menu in the device to see which applications use the most
power. Your battery consumes more power when you use video and music streaming
applications, such as YouTube™. Some Android Market™ applications also consume
more power.
•
Close and exit applications that you are not using.
•
Lower the screen display brightness level.
•
Turn off your device or use Airplane mode if you are in an area with no network
coverage. Otherwise, your device repeatedly scans for available networks, and this
consumes power.
•
Use a Sony original handsfree device to listen to music. Handsfree devices demand
less battery power than the device's loudspeakers.
•
Keep your device in standby whenever possible. Standby time refers to the time
during which the device is connected to the network and is not being used.
To access the battery usage menu
1
From your Home screen, tap
.
2
Find and tap Settings > Battery to see which installed applications consume
the most battery power.
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