Basics
Power saving feature
Power saving mode
Save the battery power by limiting the device’s functions.
On the Apps screen, tap Settings →Power saving →Power saving mode, and then tap the Power saving mode switch to activate it. Alternatively, open the quick setting panel and tap Power saving to activate it.
Select from the following options:
•Restrict background data: Prevent apps that are running in the background from using a mobile data connection.
•Restrict performance: Limit various options, such as turning off the backlight for the Recent apps button and the Back button.
•Greyscale mode: Display colours on the screen as grey tones.
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
On the Apps screen, tap Settings →Power saving →Ultra power saving mode, and tap the Ultra power saving mode switch to activate it. Alternatively, open the quick setting panel and tap U. power saving to activate it.
To add an app to the Home screen, tap 
and select an app.
To remove an app from the Home screen, tap 
→Remove, select an app with 
, and then tap OK.
To change the settings for ultra power saving mode, such as network connectivity or sound, tap 
→Settings.
To deactivate ultra power saving mode, tap 
→Disable ultra power saving mode.
The estimated maximum standby time shows the time remaining before the battery power runs out if the device is not used. Standby time may vary depending on your device settings and operating conditions.
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