Storage; Date And Time - Samsung J3 Pro User Manual

Settings
Ultra power saving mode: Extend standby time and reduce battery consumption by
displaying a simpler layout and allowing limited access to an app. Refer to
saving mode for more information.
Abnormal battery usage: View a list of apps that are consuming an excessive amount of
battery power.
Show power on status bar: Set the device to display the remaining battery life.
Network power saving: Activate the Network power saving feature to automatically turn
off network features. You can also set when the network features will be turned off after
the screen is turned off.

Storage

View memory information for your device.
On the Settings screen, tap Storage.
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.

Date and time

Access and alter the following settings to control how the device displays the time and date.
On the Settings screen, tap Date and time.
If the battery remains fully discharged or removed from the device, the time and date
is reset.
Automatic date and time: Automatically update the time and date when moving across
time zones.
Automatic time zone: Set the device to receive time zone information from the network
when you move across time zones.
Set date: Set the current date manually.
Set time: Set the current time manually.
Select time zone: Set the home time zone.
Use 24-hour format: Display time in 24-hour format.
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Ultra power