Samsung SM-G800H/DS Manual page 42

Basics
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.
Make a call.
Browse the Internet.
Remaining battery power
To add an app to the Home screen, tap
To remove an app from the Home screen, tap → Remove, select an app with
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.
Access additional options.
Send a message.
Add more apps to use.
Estimated maximum standby
time
and select an app.
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