Samsung SM-J120HZKDKSA Using the quick optimisation feature, Managing device performance, Battery

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Applications

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.

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Contents SM-J120F/DS SM-J120H/DS Table of Contents Appendix Read me first BasicsPackage contents Device layout Keys Installing the battery BatteryRemoving the battery Charging the battery Reducing the battery consumption Battery charging tips and precautionsViewing the remaining charging time Ultra power saving mode Power saving modeSIM or Usim card Installing the SIM or Usim cardReplace the battery and back cover Removing the SIM or Usim card Installing a memory card Using dual SIM or Usim cards dual SIM modelsMemory card Removing the memory card On the Home screen, tap →Settings →Storage →Unmount SD cardTouchscreen Turning the device on and offFormatting the memory card Tapping and holding TappingDragging Swiping Double-tappingSpreading and pinching Home screen Home screenAdding items Home screen optionsCreating folders Moving and removing an itemManaging panels Apps screenMoving items Basics Icon Meaning Indicator iconsLock screen Pattern Using the notification panelPassword Notification panelSingle SIM models Changing the input language Using quick setting buttonsEntering text Keyboard layoutAdditional keyboard functions Screen captureCopying and pasting Closing an app Opening appsDevice and data management Transferring data from your previous deviceTransferring data from a computer Using the device as a removable disk for data transferUpdating the device Updating with Smart SwitchUpdating over the air Using a Google account Performing a data resetBacking up and restoring data Play Store Installing or uninstalling appsInstalling apps Galaxy AppsMaking calls PhoneManaging apps IntroductionTo make a video call Receiving calls During a video call Options during callsMissed calls During a voice callImporting contacts ContactsAdding contacts Creating contacts manuallySearching for contacts MessagesSending messages Add recipients and enter a message Viewing messages InternetSetting up email accounts Reading emails CameraBasic shooting Sending emailsTaking photos or recording videos Pro mode Auto modeLaunching Camera on the locked screen Sound & shot PanoramaContinuous shot Beauty faceQuick settings Camera settingsSelfie Camera settings Viewing images or videos GalleryDeleting an image or a video Deleting images or videosDeleting multiple images and videos Smart Manager Storage Using the quick optimisation featureBattery Managing device performanceCreating events PlannerSyncing events and tasks with your accounts Creating tasksVideo Voice Recorder Searching for memos My FilesMemo Composing memosClock AlarmWorld clock Calculator TimerStopwatch Listening to the FM radio RadioScanning radio stations Google appsYouTube Google SettingsPlay Movies & TV DriveConnecting to a Wi-Fi network Wi-FiIntroduction Sending and receiving data Wi-Fi DirectEnding the device connection BluetoothSending and receiving data Pairing with other Bluetooth devicesUnpairing Bluetooth devices Flight modeMobile hotspot and tethering Data usage Using the mobile hotspotMobile networks SIM card manager dual SIM modelsLimiting data usage Adding printer plug-ins More connection settingsOptions PrintingSounds and notifications Printing contentDisplay Wallpaper ApplicationsLock screen and security Privacy AccessibilityRemoving accounts AccountsAdding accounts Registering Samsung accountsLanguage and input Backup and resetStorage About device Date and timeAppendix TroubleshootingRestarting the device Resetting the deviceForcing restart Sound echoes during a call Battery depletes faster than when first purchased Photo quality is poorer than the preview Your device cannot find your current location Trademarks Copyright
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