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To Activate or Deactivate STAMINA Mode
1
From your Home screen, tap
2
Find and tap Settings > Battery.
3
Tap STAMINA mode and select the preferred option.
appears in the status bar when STAMINA mode is active.
You can adjust the Auto-start percentage according to your preferences and exempt
applications from being optimized by STAMINA mode.
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.
Your Homescreen is replaced by Ultra STAMINA mode Home and
status bar when Ultra STAMINA mode is active. 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.
The easiest way to install a software update is to do it wirelessly from your device.
However, some updates are not available for wireless download. You then need to use
the Xperia™ Companion software on a PC or on an Apple
your device.
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
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.
This is an Internet version of this publication. © Print only for private use.
.
.
appears in the status bar. You can also check for new updates
.
38
appears in the
®
®
Mac
computer to update
www.sonymobile.com/update .
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