Samsung J1 SM-J120F - Manual (Page 55)

Applications
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Using the quick optimisation feature
On the Apps screen, tap Smart Manager → CLEAN ALL.
The quick optimisation feature improves device performance through the following actions.
• Identifying apps that use excessive battery power and clearing some memory.
• Deleting unnecessary files and closing apps running in the background.
• Scanning for malware.
Managing device performance
On the Apps screen, tap Smart Manager and select a feature.
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 and closing apps that are
consuming an excessive amount of battery power.
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.
Storage
Check the status of used and available memory capacity. You can delete unused and residual
files or uninstall apps that you do not use any more.
RAM
Check the amount of available RAM. You can close background apps and reduce the amount
of RAM you are using to speed up your device.
Device security
Check the device’s security status. This feature scans your device for malware.