Basics
11
Increasing the charging speed
To increase the charging speed, turn the device or its screen off when you charge the battery.
•
While charging the battery when the device is turned off, the icon appears on the
screen.
•
You cannot use the fast charging feature when the screen is turned on. Turn off the
screen to increase the charging speed.
If the fast charging feature is not activated, on the Home screen, tap
Settings
→
Battery and
storage
→
Battery
, and then tap the
Fast cable charging
switch to activate it.
If the device heats up or the ambient air temperature rises, the charging speed may
decrease automatically. This is a normal operating condition to prevent damage to
the device.
Power saving mode
Save the battery power by limiting the device’s functions.
On the Home screen, tap
Settings
→
Battery and storage
→
Battery
→
Power saving
mode
, and then tap the switch to activate it.
To automatically activate power saving mode when the remaining battery power reaches the
preset level, tap
Start power saving
and select an option.
Ultra power saving mode
Use this mode to extend the device’s battery power. In ultra power saving mode, the device
performs the following:
•
Displays colours on the screen as grey tones.
•
Restricts the available apps to essential and selected apps only.
•
Deactivates the mobile data connection when the screen turns off.
•
Deactivates the Wi-Fi and Bluetooth features.
On the Home screen, tap
Settings
→
Battery and storage
→
Battery
→
Ultra power saving
mode
, and then tap the switch to activate it.
To deactivate ultra power saving mode, tap
MORE
→
Turn off Ultra power saving mode
.
The usage time left shows the time remaining before the battery power runs
out. Usage time left may vary depending on your device settings and operating
conditions.