Updating Your Device - Sony Xperia C4 User Manual

To Make Specific Applications Exempt From Battery Optimization
1
From your Home screen, tap
2 Find and tap Settings > Battery.
3
Tap and select Battery optimization. You will see a list of applications that are not
optimized.
4 To add or remove applications from this list, tap Apps and select or de-select an
application from the list to edit its optimization settings.
5
The list of applications that are not optimized will get updated according to your
settings.
You cannot exempt applications from being optimized by Ultra STAMINA mode.
Power-Saving Modes
There are several power-saving modes available for you to use if you want to make your
battery last longer:
To Activate or Deactivate STAMINA Mode
1 From your Home screen, tap
2
Find and tap Settings > Battery.
3 Tap STAMINA mode and tap the slider to activate or deactivate the function.
When STAMINA mode is activated you can select additional options, for example
you can adjust the Auto-start percentage according to your preferences.
To activate Ultra STAMINA mode
1
From your Home screen, tap
2 Find and tap Settings > Battery.
3 Tap Ultra STAMINA mode, and then tap Activate.
4
Confirm to activate.
You cannot exempt applications from being optimized by Ultra STAMINA mode.
To Deactivate Ultra STAMINA Mode
1
Drag down the status bar to access the Notification panel.
2 Tap Deactivate Ultra STAMINA mode.
3
Tap OK.
Deactivating Ultra STAMINA mode will restart your device.

Updating Your Device

You should update the software on your device to get the latest functionality,
enhancements, and bug fixes in order to ensure optimal performance. When a software
update is available,
manually, or schedule an update.
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You can also configure Battery optimization from the Apps menu by tapping
STAMINA
Depending on the STAMINA level, different features will be restricted or disabled in order to
mode
reduce battery consumption. These include rendering performance, animation and screen
brightness, image enhancement, background app data syncing, vibration (except for
incoming calls), streaming, and GPS (while the screen is off).
Ultra
In addition to the features disabled by STAMINA mode, Ultra STAMINA mode disables
STAMINA
Cellular Data and Wi-Fi. The app selection is limited and widgets (except for Clock) are
mode
disabled. Calling and SMS are still available. The Homescreen is changed to a special Ultra
STAMINA mode Homescreen and additional panes are disabled.
bar.
You can exempt applications from being optimized by STAMINA mode in the Battery
Optimization menu.
appears in the status bar. You can also check for new updates
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