Basics
Power saving feature
Power saving mode
Save the battery power by limiting the device’s functions.
On the Apps screen, tap Settings →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:
•Restricts the available apps to essential and selected apps only.
•Deactivates the Bluetooth feature.
On the Apps screen, tap Settings →Battery →Ultra power saving mode, and tap switch 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 MORE →Remove, select an app with 
, and then tap DONE.
To change the settings for ultra power saving mode, such as network connectivity or sound, tap MORE →Settings.
To deactivate ultra power saving mode, tap MORE →Disable 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.
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