Samsung Galaxy S7 User Manual page 17

Basics
Power saving mode
Activate power saving mode to extend the battery's usage time.
1
Launch the Settings app and tap Device maintenance → Battery → MID.
2
Tap DETAILS to change the power saving settings before entering power saving mode.
3
Tap APPLY.
Maximum power saving mode
In maximum power saving mode, the device decreases battery consumption by applying the
dark theme and limiting the apps and features available. Network connections, except for the
mobile network, will be deactivated.
1
Launch the Settings app and tap Device maintenance → Battery → MAX.
2
Tap DETAILS to change the power saving settings before entering maximum power
saving mode.
3
Tap APPLY.
After entering maximum power saving mode, on the Home screen, tap
to use. To remove apps, tap → Edit and select an app with
To deactivate maximum power saving mode, tap → Turn off Maximum power saving
mode.
The estimated battery usage time may vary depending on your device settings and
operating conditions.
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and select an app