Samsung SM-T231NZWAKSA, SM-T231NYKAXXV manual Touch screen responds slowly or improperly

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Troubleshooting

The touch screen responds slowly or improperly

•If you attach a protective cover or optional accessories to the touch screen, the touch screen may not function properly.

•If you are wearing gloves, if your hands are not clean while touching the touch screen, or if you tap the screen with sharp objects or your fingertips, the touch screen may malfunction.

•The touch screen may malfunction in humid conditions or when exposed to water.

•Restart your device to clear any temporary software bugs.

•Ensure that your device software is upgraded to the latest version.

•If the touch screen is scratched or damaged, visit a Samsung Service Centre.

Your device freezes or has fatal errors

If your device freezes or hangs, you may need to close applications or turn off the device and turn it on again. If your device is frozen and unresponsive, press and hold the Power button for 8 seconds to reboot.

If this does not solve the problem, perform a factory data reset. On the Applications screen, tap Settings →General →Backup and reset →Factory data reset →Reset device → Erase everything. Before performing the factory data reset, remember to make backup copies of all important data stored on the device.

If the problem is still not resolved, contact a Samsung Service Centre.

Calls are not connected

•Ensure that you have accessed the right cellular network.

•Ensure that you have not set call barring for the phone number you are dialling.

•Ensure that you have not set call barring for the incoming phone number.

Others cannot hear you speaking on a call

•Ensure that you are not covering the built-in microphone.

•Ensure that the microphone is close to your mouth.

•If using a headset, ensure that it is properly connected.

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Contents SM-T231 About this manual Instructional icons Copyright About this manualTrademarks Table of Contents Travel & local Getting started Device layoutButtons Package contents Installing the SIM or Usim card Charging the battery Removing the SIM or Usim cardCharging with the charger Reducing the battery consumption Checking the battery charge statusInserting a memory card Formatting the memory card →Settings →General →Storage →Unmount SD cardRemoving the memory card Turning the device on and off Holding the deviceLocking and unlocking the device Adjusting the volumeSwitching to silent mode Icon Meaning Indicator iconsBasics Using the touch screen Tapping and holding Finger gesturesTapping Dragging Double-tappingFlicking PinchingControl motions Rotating the screenSweeping Palm motionsPicking up Covering Using Multi WindowUsing a split screen Multi Window Launching applications in a split screen Multi Window Sharing content between applications Basics →Blocking mode NotificationsRearranging panels Home screenRearranging items Removing a panel Setting wallpaperUsing widgets Installing applications Applications screenRearranging applications Organising with foldersUsing applications Uninstalling applicationsDisabling applications Opening an applicationHelp Entering textClosing an application Changing the keyboard typeChanging language keyboards Entering uppercaseChanging the keyboard type Handwriting Entering text by voiceCopying and pasting Connecting to a Wi-Fi network Turning Wi-Fi on and offJoining Wi-Fi networks Adding Wi-Fi networksRemoving accounts Setting up accountsAdding accounts Connecting with Samsung Kies Connecting with Windows Media PlayerConnecting as a media device Transferring filesSetting a pattern Setting a PINSetting a password Securing the device→ Update now Upgrading the deviceUnlocking the device Upgrading with Samsung KiesMaking calls CommunicationPhone During a call Finding contactsMaking an international call Adding contacts Sending a messageFixed dialling number Call barringReceiving calls Video calls Call forwardingMaking a video call During a video callListening to a voice message Swapping imagesContacts Managing contactsSearching for contacts Displaying contactsMoving contacts Moving contacts to GoogleImporting and exporting contacts Favourite contactsImporting contacts Exporting contactsContact groups Creating a groupAdding contacts to a group Managing groupsSending messages MessagesBusiness card Viewing incoming messages Setting up email accountsSending scheduled messages Sending messages Reading messages Google Mail Labels Hangouts Google+Photos Web & network InternetChrome HistorySaved pages LinksBluetooth Syncing with other devicesPairing with other Bluetooth devices Sending and receiving dataPlaying music MediaMusic Playing music by mood Setting a song as ringtoneCreating playlists Camera Taking photosTaking a photo Camera etiquetteShooting mode Panoramic photosRecording mode Taking videosApplying filter effects Taking a videoZooming in and out Share shotConfiguring settings for Camera Viewing images GalleryShortcuts Playing videos Trimming segments of a videoEditing images Zooming in and outSharing images Favourite imagesDeleting images Tagging faces Setting as wallpaperUsing Tag buddy Video Deleting videosUsing Popup Video player YouTubeSharing videos Watching videosApplication & media stores Play StoreSamsung Apps Play BooksPlay Movies & TV Play MusicPlay Games Play NewsstandUtilities MemoAdding and managing categories Composing memosPlanner Browsing memosCreating events or tasks Viewing a memoSyncing with Google Calendar Kids Mode Changing calendar typeSearching for events or tasks Deleting events or tasksSyncing with the Samsung account DropboxCloud Drive Hancom Office ViewerBacking up or restoring data Syncing with DropboxWord processor Searching documentsReading documents Presentation SpreadsheetAlarm World Clock Calculator VoiceGoogle Now GoogleSearching the device Viewing files Voice SearchMy Files Searching for a file Viewing storage informationChanging the view mode Creating foldersAdding shortcuts to folders Adding FTP server shortcuts to the deviceTravel & local MapsSearching for locations Getting directions for a destinationSettings About SettingsWi-Fi Setting Wi-Fi sleep policyBluetooth Tethering and Wi-Fi hotspotSetting Network notification Wi-Fi DirectLocation Flight modeData usage Default messaging app More networksNearby devices PrintingDisplay DeviceSound Multi window Lock screenAccessibility WallpaperFont Notification panelAnswering and ending calls Text-to-speech optionsAnswering/ending calls Call settingsCall Call alerts Call accessoriesAdditional settings Blocking mode Ringtone and sound settingsVideo call settings Internet call settingsDefault ControlsLanguage and input LanguageVoice search Google voice typingVoice recogniser Text-to-speech options General Date and time Backup and resetAccessories Default applications BatteryPower saving mode Application managerSet up SIM card lock SecurityGoogle Settings About deviceTroubleshooting Your device displays network or service error messagesTouch screen responds slowly or improperly Sound echoes during a call Your device is hot to the touch Another Bluetooth device is not located Data stored on the device has been lost English EU /2014. Rev.1.2

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