Power-Saving Modes
There are several power-saving modes available for you to use if you want to make your
battery last longer:
STAMINA
mode
Depending on the STAMINA level, different features will be restricted or disabled in order to
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). appears in the status bar.
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.
You can exempt applications from being optimized by STAMINA mode in the Battery
Optimization menu.
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, appears in the status bar. You can also check for new updates
manually, or schedule an update.
Before updating your device, consider the following:
•
Ensure you have sufficient storage capacity before attempting to update.
•
If you are using a device with multiple users, you must log in as the owner, that is, the
primary user, to update the device.
•
System and application updates can present the features on your device in another way
than described in this User Guide. The Android™ version might not be affected after an
update.
For more information about software updates, go to
http://support.sonymobile.com/
To check for new software
1
If you are using a device with multiple users, make sure you are logged in as the
owner.
2
From your Homescreen, tap .
3
Find and tap
Settings
>
About phone
>
Software update
.
If no new software is available, it’s possible that you may not have enough free memory on
your device. If your Xperia™ device has less than 500 MB of free internal memory (device
memory) available, you do not receive any information about new software. The following
notification appears in the Notification panel to warn of the lack of storage space:
Storage space running out. Some system functions may not work.
If you receive this notification, you must free up internal memory (device memory) before you
can get notifications about new software being available.
Updating your device wirelessly
Use the Update Center application to update your device wirelessly. It handles both
application updates and system updates and can also facilitate the download of new
applications developed for your device.
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