Samsung Galaxy A3 User Manual page 115

Settings
Battery
View battery power information and change power saving options. Refer to
feature for more information.
On the Settings screen, tap Battery.
• P ower saving mode: Activate power-saving mode and change the settings for power-
saving mode.
• U ltra power saving mode: Extend standby time and reduce battery consumption by
displaying a simpler layout and allowing limited access to an app.
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.
• S how power on status bar: Set the device to display the remaining battery life.
Storage
View memory information for your device and memory card, or format a memory card.
On the Settings screen, tap Storage.
Formatting a memory card permanently deletes all data from it.
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 upgrade the device.
Security
Change settings for securing the device and the SIM or USIM card.
On the Settings screen, tap Security.
• D evice administrators: View device administrators installed on the device. You can allow
device administrators to apply new policies to the device.
• U nknown sources: Set the device to allow the installation of apps from unknown
sources.
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Power saving