Samsung SM-J330F User Manual page 114

Settings
Battery
Check the remaining battery power and time to use the device. For devices with low battery
levels, conserve battery power by activating power saving features.
On the Settings screen, tap Device maintenance
•
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.
•
You cannot receive notifications from apps that use power saving mode.
Power saving mode
• MID: Activate power saving mode to extend the battery's usage time.
•
MAX: 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.
Managing the battery
You can save battery power by preventing apps that are running in the background from
using battery power when they are not being used. Tick apps from the apps list and tap SAVE
POWER. Also, tap
Storage
Check the status of the used and available memory.
On the Settings screen, tap Device maintenance
The actual available capacity of the internal memory is less than the specified
capacity because the operating system and default apps occupy part of the memory.
The available capacity may change when you update the device.
Managing the memory
To delete residual files, such as cache, tap CLEAN NOW. To delete files or uninstall apps that
you do not use any more, select a category under USER DATA. Then, tick items to select and
tap DELETE or UNINSTALL.
Advanced settings to set app power monitor options.
Battery.
Storage.
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