•Downloading data from the Internet is power consuming. When you're not using the
Internet, you can save power by disabling all mobile data connections from the
Notification panel by dragging down the status bar. This setting does not prevent
your device from transmitting data over other wireless networks.
•Turn off Bluetooth® and WLAN when you don't need these features. You can turn
them on and off more easily from the Notification panel by dragging down the status
bar.
•Use the STAMINA mode and Low battery mode features to reduce battery
consumption. You can select the power saving mode that best suits the way you use
your device. You can also customise the settings of each power saving mode.
•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 your device to see which applications use the most
power. Your battery consumes more power when you use video and music streaming
applications. Some 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 activate the Airplane mode setting 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 your device's own loudspeakers.
•Keep your device in standby mode whenever possible. Standby time refers to the
time during which your device is connected to the network and is not being used.
•Disable any live wallpaper.
To access the battery usage menu
1From your Home screen, tap .
2Find and tap Settings > Power management > Battery usage.
Using STAMINA mode
Activate the STAMINA mode feature to pause your WLAN connection, data traffic
and several power consuming applications when your screen is inactive. When
STAMINA mode is active, you can still receive phone calls, and text and multimedia
messages. You can also set up an applications list to allow some applications to
keep running when your screen is inactive. Once the screen becomes active again, all
paused functions are resumed.
To activate STAMINA mode
1Drag the status bar downwards, then tap .
2Find and tap Power management.
3Drag the slider beside STAMINA mode to the right, then tap Activate.
appears in the status bar when STAMINA mode is activated.
To deactivate STAMINA mode
1From your Home screen, tap .
2Find and tap Settings > Power management.
3Tap next to STAMINA mode.
To change the settings for STAMINA mode
1From your Home screen, tap .
2Find and tap Settings > Power management.
3To open the settings menu, tap STAMINA mode.
4Add or remove applications, as desired.
5When you're finished, tap Done.
Estimating the standby time of your device
Standby time refers to the amount of time the battery can last when your device is
connected to the network but is not in active use, for example, to receive or make
phone calls. STAMINA mode, when activated, continuously evaluates the remaining
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