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• 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 your device is connected to the network and is not being used.
• Disable any live wallpaper.
To access the battery usage menu
1 From your Home screen, tap .
2 Find and tap Settings > Power management > Battery.
To add the Data traffic widget to your Home screen
1 Tap an empty area of your Home screen.
2 Tap .
3 Tap Tools > Mobile data.
To add the Quick settings widget to your Home screen
1 Tap an empty area of your Home screen.
2 Tap > Tools.
3 Select the Quick settings widget.
Using STAMINA mode
Activate the STAMINA mode feature to pause your Wi-Fi® 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
1 From your Home screen, tap .
2 Find and tap Settings > Power management.
3 Tap next to STAMINA mode, then tap Activate.
To deactivate STAMINA mode
1 From your Home screen, tap .
2 Find and tap Settings > Power management.
3 Tap next to STAMINA mode.
To change the settings for STAMINA mode
1 From your Home screen, tap .
2 Find and tap Settings > Power management.
3 To open the settings menu, tap STAMINA mode.
4 Add or remove applications, as desired.
5 When 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 standby
time, which can vary depending on how you use your device. STAMINA mode is more
effective in lengthening the standby time if you keep the screen of your device locked. If
you rarely lock the screen, you may not see much improvement in battery performance.
When you use your device for the first time, the estimated standby time may not be accurate
since there is no previous usage history to estimate from.
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