Sony Xperia Z Ultra - Battery and power management

background image

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

Disables Wi-Fi® and cellular data when the screen is turned off, and restricts

hardware performance. appears in the status bar when this mode takes effect.

Ultra STAMINA

mode

Limits your device’s functionality for core tasks such as making phone calls and

sending SMS messages.

appears in the status bar once this mode is activated.

21

This is an Internet version of this publication. © Print only for private use.

background image

Low battery mode

Modifies your device’s behavior, 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

Optimizes 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 optimize your battery

performance:

Extended standby Prevents applications from using data traffic by disabling Wi-Fi® and cellular data when

the screen is off. You can exclude some applications and services from being paused

when this feature is active.

STAMINA clock

Keeps network connections paused in situations where you frequently press the power

key to check the time.

Extended usage

Restricts 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 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 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 done, tap

Done.