Samsung SM-J250FZDAILO, SM-J250FZKDKSA Device maintenance, Using the quick optimisation feature

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Settings

Device maintenance

The device maintenance feature provides an overview of the status of your device’s battery, storage, memory, and system security. You can also automatically optimise the device with a tap of your finger, and ultra data saving mode helps you manage your mobile data usage.

Battery

Storage

Ultra data saving

Device security Memory

Using the quick optimisation feature

On the Settings screen, tap Device maintenance →FIX NOW or OPTIMISE NOW.

The quick optimisation feature improves device performance through the following actions.

•Clearing some memory.

•Deleting unnecessary files and closing apps running in the background.

•Managing abnormal battery usage.

•Scanning for crashed apps and malware.

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Image 105

Contents English /2018. Rev.1.3 Table of Contents Settings Appendix Read me first BasicsBasics Instructional iconsDevice overheating situations and solutions When the device heats up while charging the batteryDo the following when the device heats up When the device heats up during use Keep the device updated with the latest software Device limitations when the device overheatsPrecautions for operating environment Package contentsDevice layout and functions Proximity sensor Device layoutKeys Key Function PowerHome BackInstalling the battery BatteryRemoving the battery Remove the back cover Pull out the batteryReplace the back cover Charging the battery Reducing the battery consumption Battery charging tips and precautionsInstalling the SIM or Usim card SIM or Usim cardUse only a microSIM card Basics Single SIM models Dual SIM models Removing the SIM or Usim cardSetting preferred SIM or Usim cards Using dual SIM or Usim cards dual SIM modelsActivating SIM or Usim cards Customising SIM or Usim cardsMemory card microSD card Installing a memory cardFormatting the memory card Removing the memory card→ SD card →UNMOUNT → SD card →Format →FORMATTurning the device on and off Emergency modeInitial setup Basics Introduction Samsung accountRegistering your Samsung account Registering a new Samsung accountTransferring data from your previous device Removing your Samsung accountTap Samsung account → →Remove account Transferring data wirelessly via Wi-Fi Direct Smart SwitchOn the computer, launch Smart Switch Transferring backup data from a computerSamsung Cloud Backing up dataRestoring data Controlling the touchscreen Understanding the screenTapping Tapping and holdingDouble-tapping DraggingSwiping Spreading and pinchingHome screen and Apps screen Moving items Switching between Home and Apps screensAdding more apps Creating foldersMoving apps from a folder Deleting a folderDisplaying all apps on the Home screen Editing the Home screenIcon Meaning Indicator iconsChanging the screen lock method Lock screenScreen capture Notification panelLaunch Settings Using quick setting buttonsKeyboard layout Entering textChanging the input language Changing the keyboard layoutCopying and pasting Additional keyboard functionsInstalling apps Installing or uninstalling appsGalaxy Apps Play StoreSetting app permissions Uninstalling apps and using app sleep modeManaging apps Enabling appsPhone Making callsMake or answer voice and video calls Making calls from call logs or contacts list Using speed dialMaking calls from the locked screen Making an international callBlocking phone numbers Receiving callsAnswering a call Rejecting a callOptions during calls During a voice callDuring a video call Adding a phone number to Contacts from the keypad Adding a phone number to ContactAdding contacts ContactsCreating a new contact Create new contacts or manage contacts on the deviceSearching for contacts Importing contactsSynching contacts with your web accounts Saving and sharing profile Sharing contactsMerging duplicate contacts MessagesDeleting contacts Sending messagesEnter a message Viewing messagesTap To send the messageSetting the message notification Setting a message reminderBlocking unwanted messages Browsing webpages InternetActivating secret mode Using secret modeChanging security settings Deactivating secret modeSending emails Setting up email accountsReading emails Tap Send to send the mailCamera Launching CameraCamera etiquette Switching cameras Using swipe gesturesViewing filter effects Taking photos or recording videos Basic shootingThis feature is available only in Auto mode Auto modeLocking the focus AF and exposure AE Changing shooting modesPro mode PanoramaAvailable options HDR Rich tone Continuous shotNight Beauty faceSports Using the selfie flashSound & shot SelfieCamera settings Quick settingsApplying beauty effects Rear Camera Camera settingsGallery Viewing images Viewing images and videosSearching for images Launch the Gallery app and tap Pictures Select an imageViewing videos Switch to the pop-up video playerViewing stories Viewing albumsCreating stories Deleting storiesDeleting images or videos Syncing images and videos with Samsung CloudDeleting an image or a video Deleting multiple images and videosMulti window Split screen viewTap to open the list of recently used apps Adjusting the window size Using additional optionsSharing text or images between windows Minimising the split screen viewSamsung Members Samsung Notes When you are finished composing the note, tap SaveCreating notes Deleting notesCalendar Creating eventsTap Save to save the event Creating tasks Samsung HealthSyncing events and tasks with your accounts Starting Samsung HealthPartner Apps View available partner apps and download them Using Samsung HealthSteps TogetherAdditional information Voice Recorder My FilesTap to finish recording Enter a file name and tap Save Clock Stopwatch CalculatorListening to the FM radio RadioScanning radio stations Launch the Radio appUsing additional features Sharing contentGoogle apps Photos YouTubeGoogle DuoIntroduction ConnectionsOptions Connecting to a Wi-Fi network Wi-FiMobile networks Configure your mobile network settings Select a network from the Wi-Fi networks listWi-Fi Direct Tap Wi-Fi DirectOn the Settings screen, tap Connections →Wi-Fi Pairing with other Bluetooth devices BluetoothSending and receiving data Unpairing Bluetooth devicesTap next to the device name to unpair Tap UnpairMobile Hotspot and Tethering Using the mobile hotspotMore connection settings Customise settings to control other featuresSIM card manager dual SIM models Adding printer plug-ins PrintingNotifications Sounds and vibrationDisplay Blue light filter Changing the screen modeScreen tone screen will be adjusted Adjusting the screen tone by colour valueOptimising the full screen colour balance Tick Advanced options Select an option ScreensaverWallpaper Advanced features104 Using the quick optimisation feature Device maintenanceStorage BatteryMemory Device securityUltra data saving Lock screen and security Apps109 Setting up Secure Folder Secure FolderFolder Moving content to Secure Folder Setting auto lock for Secure FolderTap Edit apps, tick apps, and then tap Uninstall Moving content from Secure FolderSelect an account service Adding appsHiding Secure Folder Backing up and restoring Secure FolderTap Back up Secure Folder data Cloud and accounts Uninstalling Secure FolderUsing a Samsung account Backup and restoreUsing a Google account GoogleGeneral management AccessibilityAdding device languages You can add languages to use on your device→ Add language Software update Security updates informationWebsite supports only some languages About phone Appendix TroubleshootingResetting the device Restarting the deviceForcing restart Calls are not connected Your battery is low. Charge the batteryEnsure that the charger is connected properly Charge the batteryError messages appear when opening multimedia files Your device cannot find your current location Ensure that you are connected to a network properly Samsung Cloud does not workTrademarks Copyright

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