Battery and power management
Your device has an embedded battery. You can keep track of your battery
consumption and see which applications are using the most power. You can remove
or restrict apps and activate a number of power saving modes to get more out of
your battery. You can also view an estimate of how much battery time is left and
adjust your battery settings to improve performance and make your battery last
longer.
To manage your battery consumption
1
From your Home screen, tap .
2
Find and tap
Settings > Power management > App power consumption. An
overview appears showing applications that have high data traffic rates or that
you have not used for a long time.
3
Review the information, then act as required, for example, to uninstall an
application or restrict its usage.
To view which applications use the most battery power
1
From your Home screen, tap .
2
Find and tap
Settings > Power management > Battery usage.
To view the estimated battery time
1
From your Home screen, tap .
2
Find and tap
Settings > Power management.
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
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Disable Wi-Fi® and mobile data when the screen is turned off, and restrict hardware performance.
appears in the status bar when this mode takes effect.
Ultra STAMINA mode
Limit your device’s functionality to core tasks such as making phone calls and sending SMS messages.
appears in the status bar once this mode is activated.
Low-battery mode
Modify your device’s behaviour, for example, to adjust screen brightness and the screen timeout setting,
when the battery level drops below a certain percentage.
appears in the status bar when this mode
takes effect.
Queue background data
Optimise outgoing traffic when the screen is off by sending data at pre-defined intervals.
If you are using a device with multiple users, you may need to log in as the owner, that is, the
primary user, to activate or deactivate a power saving mode.
To activate a power saving mode
1
From your Home screen, tap .
2
Find and tap
Settings > Power management.
3
To activate your preferred mode, select the mode name and tap the on-off
switch to activate the chosen mode, if necessary. In some cases, tap
Activate
and confirm activation.
STAMINA mode feature overview
STAMINA mode has several features that allow you to optimise your battery
performance:
Extended standby
Prevent applications from using data traffic by disabling Wi-Fi® and mobile data when the screen is off.
You can exclude some applications and services from being paused when this feature is active.
STAMINA clock
Keep network connections paused in situations where you frequently press the power key to check the
time.
Extended usage
Restrict hardware performance when you are using your device.
If you are using a device with multiple users, you may need to log in as the owner, that is, the
primary user, to activate or deactivate a STAMINA mode feature.
To activate STAMINA mode features
1
From your Home screen, tap .
2
Find and tap
Settings > Power management, then tap STAMINA mode.
3
Activate STAMINA mode if it is deactivated.
4
Drag the sliders beside the features that you want to activate, then tap
Activate, if prompted.
To select which applications to run in STAMINA mode
1
From your Home screen, tap .
2
Find and tap
Settings > Power management, then tap STAMINA mode.
3
Activate STAMINA mode if it is deactivated.
4
Make sure that the
Extended standby feature is turned on, then tap Apps active
in standby > Add applications.
5
Scroll left or right to view all applications and services, then mark the relevant
checkboxes for the applications that you want to run.
6
When you're finished, tap
Done.
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