Sony 1271-4775 Cell Phone User Manual


 
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 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 usage.
To add the Data traffic widget to your Home screen
1
Tap and hold an empty area of your Home screen.
2
Tap Widgets > Tools.
3
Tap and hold the Mobile data widget, then drag it to an empty area of your
Home screen.
To add the Quick settings widget to your Home screen
1
Tap and hold an empty area of your Home screen.
2
Tap Widgets > Tools.
3
Tap and hold the Quick settings widget, then drag it to an empty area of your
Home screen.
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
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