Samsung SM2G531FZAATMH, SM-G531FZWAMEO, SM-G531FZWACOS 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 apps or turn off the device and turn it on again. If your device is frozen and unresponsive, press and hold the Power button and the Volume button down simultaneously for more than 7 seconds to restart it.

If this does not solve the problem, perform a factory data reset. On the Apps screen, tap Settings 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 in 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-G531F Table of Contents Messages & email Read me first Instructional icons Getting started Package contentsDevice layout Buttons Installing the SIM or Usim card and battery Using the SIM or Usim card and batteryGetting started Removing the SIM or Usim card and battery Charging the battery Reducing the battery consumption Installing a memory card Using a memory cardFormatting the memory card Removing the memory cardLocking and unlocking the screen Turning the device on and offBasics Using the touch screenTapping Dragging Tapping and holdingDouble-tapping Spreading and pinching FlickingHome screen Home screen layoutHome screen options Apps screen Icon Meaning Indicator iconsNotifications panel Using the notifications panelOpening apps Using the quick setting buttonsClosing an app Play Store Installing or uninstalling appsInstalling apps Galaxy AppsKeyboard layout Uninstalling or disabling appsEntering text Managing appsChanging the keyboard layout Using additional keyboard functionsCopying and pasting Changing the input languageMy Files Screen captureAbout My Files Ultra power saving mode Power saving featureTap Connect Wi-FiNetwork connectivity Mobile dataTethering and Mobile hotspot Using the mobile hotspotAbout tethering and mobile hotspots Tick USB tethering Using USB tetheringUsing Bluetooth tethering Tick Bluetooth tetheringManaging the Home and Apps screens PersonalisingManaging the Home screen Hiding apps Managing the Apps screenManaging panels Changing the sorting methodChanging ringtones Setting wallpaper and ringtonesSetting wallpaper On the Apps screen, tap Settings →Sounds and notificationsRemoving accounts Setting up accountsChanging the screen lock method Adding accountsMaking calls PhoneMaking calls from call logs or contacts list Missed calls Receiving callsAnswering a call Rejecting a callDuring a voice call Options during callsDuring a video call Phone Moving contacts from other devices ContactsAdding contacts Importing and exporting contactsAdding shortcuts for contacts to the Home screen Searching for contactsTap →Add shortcut to home screen Messages Messages & emailSending messages Viewing incoming messages Setting up email accountsSending emails Reading emails Basic shooting CameraTaking photos or recording videos Camera etiquette Launching Camera on the locked screenWide selfie Shooting modesAuto SelfiePanorama Beauty faceContinuous shot Rear-cam selfieHDR Rich tone Night Camera settingsAnimated GIF Camera Gallery Viewing content on the devicePlanner Useful apps and featuresCreating events or tasks Syncing events and tasks with your accounts InternetCalculator VideoPlaying videos Clock AlarmWorld clock Composing memos TimerMemo StopwatchRecording voice memos Voice RecorderPlaying voice memos Listening to the FM radio RadioScanning radio stations Google apps Play Games MapsPhotos Play BooksAbout Bluetooth BluetoothSending and receiving data Pairing with other Bluetooth devicesSending an image Connecting to other devices Wi-Fi DirectUnpairing Bluetooth devices About Wi-Fi DirectEnding the device connection About NFC Using the NFC featureSending data Making a purchase with the NFC featureAdding printer plug-ins Connecting to a printerPrinting content Mobile printingTransferring data from a computer Device & data managerTransferring data from your previous device Transferring data from a mobile deviceDevice MTP Using the device as a removable disk for data transferUpdating the device Updating with Smart SwitchUpdating over the air Backing up and restoring data Performing a data resetUsing a Google account Tap Backup and reset and tick Back up my dataSetting Wi-Fi sleep policy SettingsAbout Settings Wi-FiFlight mode BluetoothTethering and Mobile hotspot Location Data usageMobile networks Default messaging appPrinting More networksWallpaper DeviceSounds and notifications DisplayCall Lock screenAnswering and ending calls Application manager More settingsRingtones and keypad tones Accounts Backup and resetAccessibility PersonalText-to-speech options Language DefaultSystem Language and inputPointer speed Google voice typingVoice input Text-to-speech optionsDate and time Accessories Storage Battery Security About device Your device displays network or service error messages TroubleshootingTouch 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 in the device has been lost Copyright
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