Samsung SM-G390FZKAILO manual Data usage, Unpairing Bluetooth devices

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Settings

Unpairing Bluetooth devices

1 On the Settings screen, tap Connections →Bluetooth. The device displays the paired devices in the list.

2

3

Tap next to the device name to unpair.

Tap Unpair.

Data usage

Keep track of your data usage amount and customise the settings for the limitation. On the Settings screen, tap Connections →Data usage.

•Data saver: Prevent apps that are running in the background from using a mobile data connection.

•Mobile data: Set the device to use data connections on any mobile network.

•Mobile data usage: Monitor your mobile data usage.

•Billing cycle: Set a limit for mobile data usage.

•Wi-Fi data usage: Monitor your Wi-Fi data usage.

•Restrict networks: Select Wi-Fi networks to prevent apps running in the background from using them.

To change the monthly reset date for the monitoring period, tap Billing cycle →Start billing cycle on.

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Contents SM-G390F SM-G390Y Table of Contents Appendix Basics Read me firstDo the following when the device heats up Device overheating situations and solutionsWhen the device heats up while charging the battery Instructional iconsWhen the device heats up during use Device limitations when the device overheats Precautions for operating environmentMaintaining water and dust resistance Package contents Device layout Keys RecentsBattery Installing the batteryRemoving the battery Charging the battery Viewing the estimated charging time Battery charging tips and precautionsReducing the battery consumption Power saving mode Maximum power saving modeInstalling the SIM or Usim card SIM or Usim card microSIM cardRemoving the SIM or Usim card Installing a memory cardMemory card microSD card Removing the memory card Attaching a hand strap Formatting the memory cardRestarting the device Turning the device on and offControlling the touchscreen Dragging TappingTapping and holding Spreading and pinching Double-tappingSwiping Home screen Home screenHome screen options Adding itemsCreating folders Moving itemsRemoving items Managing panels Using quick optionsApps screen Rearranging items Indicator icons Searching for itemsLock screen Using the notification panel Notification panelUsing quick setting buttons Entering text Searching for content or nearby devicesSetting search categories FinderChanging the keyboard layout Additional keyboard functionsChanging the input language Copying and pasting Screen captureOpening apps Capturing a screenshotSecure Folder IntroductionCreating Secure Folder Setting auto lock for Secure FolderMoving content Hiding Secure Folder Adding appsAdding accounts Removing apps from Secure FolderUninstalling Secure Folder Multi windowSplit screen view Using additional options Adjusting the window sizeMaximising a window Sharing text or images between windowsMinimising the split screen view Registering a new Samsung account Samsung accountRegistering your Samsung account Registering an existing Samsung accountRemoving your Samsung account Transferring data via Smart SwitchTransferring data from your previous device Transferring data wirelessly via Wi-Fi Direct Transferring backup data from a computer On the computer, launch Smart SwitchTransferring data via Samsung Cloud Connecting the device to a computer for data transferDevice and data management Updating over the air Updating with Smart SwitchUpdating the device Using a Google account Performing a data resetUsing a Samsung account Backing up and restoring dataSharing features Emergency mode Deactivating emergency modeGalaxy Apps Installing or uninstalling appsInstalling apps Play StoreManaging apps Uninstalling or disabling appsSetting app permissions Enabling appsPhone Making callsReceiving calls Missed calls Blocking phone numbersOptions during calls During a voice callDuring a video call ContactsAdding contacts Creating a new contactAdding a phone number to Contacts from the keypad Enter contact informationSynching contacts with your web accounts Adding a phone number to Contacts from the calls listImporting contacts Searching for contacts Sharing contactsDeleting contacts MessagesMerging duplicate contacts Sending messages Viewing messagesBlocking unwanted messages Setting the message notificationSetting a message reminder Internet Browsing webpagesChanging security settings Using secret modeActivating secret mode Deactivating secret modeReading emails CameraSending emails Using swipe gestures Launching CameraBasic shooting Taking photos or recording videosLocking the focus AF and exposure AE Customising shooting modes Auto modePro mode Panorama Continuous shotTag shot HDR Rich toneNight SportsSelfie Using the selfie flashSound & shot Wide selfie Applying beauty effectsApplications Camera settings Camera settingsQuick settings Gallery CommonViewing images and videos Viewing imagesViewing videos Viewing albumsViewing stories Creating stories Syncing images and videos with Samsung CloudDeleting images or videos Deleting storiesCreating notes Samsung NotesSharing images or videos Deleting multiple images and videosCalendar Deleting notesCreating events Creating tasksStarting S Health HealthSyncing events and tasks with your accounts Using S Health Monitor your health and fitnessAdditional information Voice Recorder Making voice recordingsDeleting alarms Setting alarmsStopping alarms My FilesCreating clocks Deleting clocksListening to the FM radio CalculatorRadio Scanning radio stations Google apps Google PhotosDuo Introduction Wi-FiConnecting to a Wi-Fi network ConnectionsWi-Fi Direct Tap ConnectBluetooth Ending the device connectionPairing with other Bluetooth devices Sending and receiving dataUnpairing Bluetooth devices Data usageLimiting data usage Flight modeNFC and payment Using the NFC feature Making payments with the NFC featureSending data Using the mobile hotspot Mobile hotspot and tetheringLocation More connection settingsMobile networks Printing Adding printer plug-insSounds and vibration Download boosterOptions NotificationsDisplay Easy mode Blue light filterWallpapers and themes Advanced featuresSwitching to easy mode Managing shortcutsSend SOS messages Device maintenance Adding emergency contactsStorage Using the quick optimisation featureBattery Memory AppsLock screen and security Device securityCloud and accounts Samsung CloudAdding accounts AccountsManage cloud storage Removing accountsGoogle AccessibilityBackup and restore General management Software update About deviceTroubleshooting AppendixResetting the device Forcing restartSound 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 Copyright Trademarks

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